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Last updated on May 26th, 2025

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Factors of 490

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What's your say about the factors of 490? Factors are essentially numbers that can be multiplied together to give an original number. In other words, finding those perfect pairs that go into making 490 without leaving remainders.

Factors of 490 for Qatari Students
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What are the factors of 490?

Similarly, as we learned above, factors of 490 are such numbers that will be multiplied to get 490. There are both positive and negative factors of numbers that we will learn as we move ahead in the topic.

 

490 has only twelve factors: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, and 490.

 

Negative factors of 490: Negative factors are nothing but the negative counterparts of the position factors of a number.

 

Since 490 has twelve positive factors: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, and, 490, it will also have twelve negative counterparts:  -1, -2, -5, -7, -10, -14, -35, -49, -70, -98, -245, and, - 490.

 

Prime factors of 490: Since 490 is a composite number, it has 2, 5, and 7 as its prime factor.

 

Prime factorization of 490:Prime factorization of a number is the method of expressing 490 as a product of prime factors.

 

The prime factorization of 490 = 2× 5× 72.
 

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How to find the factors of 490

There are several ways of finding factors of 490. We will learn about them one by one as we go on.
 

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Finding factors using multiplication

In this method, we will try to find such a pair of numbers that will give 490 as their product. We recommend that you should follow the following steps to find factors using multiplication.

 

Step 1: Always look for a pair of numbers whose product is 490.

 

Step 2: After finding such pairs, list them all one by one.

 

Here, factor pairs of 490 are (1, 490), (2, 245), (5, 98), (7, 70), (10, 49), and (14, 35).


So the factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, and, 490.

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Finding factors by division method

In the method, we need to find such numbers that divide 490 completely without leaving any remainder.

 

490/1 = 490

490/ 2 = 89

490/ 5 = 98

490/ 7 = 70

490/ 10 = 49

490/ 14 = 35

490/ 35 = 14

490/ 49 = 10

490/ 70 = 7

490/ 98 = 5

490/ 245 = 2

490/ 490 = 1

 

All the 12 numbers: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, and, 490, mentioned above divide 490 completely without any remainder. Hence, they are factors of 490.
 

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Prime Factors and Prime Factorization

In the prime factorization method, a number is expressed as the product of prime factors.

 

Here, as we know, 490 = 2 × 5 × 72

 

 2, 5, and 7 are the prime factors when multiplied together will give 490 as a product of the multiplication.
 

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Factor tree

Factor tree is a graphical representation of factors of any number. In the diagram, each branch represents the prime factors a number has.
.

The factor pairs of a number refer to a pair of numbers which, when multiplied, will give the number as a product.

 

 The factor pairs of 490 are (1, 490), (2, 245), (5, 98), (7, 70), (10, 49), and (14, 35)

 

Positive Pair Factors of 490 are  (1, 490), (2, 245), (5, 98), (7, 70), (10, 49), and (14, 35)

 

Negative Pair Factors of 490 are (-1, -490), (-2, -245), (-5, -98), (-7, -70), (-10, -49), and (-14, -35)

 
 

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Common Mistakes and How to Avoid Them in Factors Of 490

There are some errors that a child is bound to commit while discovering the factors of 490. Let us know what error a child is likely to commit.

Mistake 1

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A child might consider only the prime factors and leave other factors.
 

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A child must know that a number has both prime and composite factors.
 

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Factors of 490 examples

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Problem 1

What is 1/ 70 of 490?

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 7

Explanation

You need to divide 490 by 70 to get 7.
 

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Problem 2

What is the square root of 49.

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 7 is the square root of 49.
 

Explanation

Find the value of the square root of 49 that is 7.
 

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Problem 3

Determine if the sum of the smallest factor of 490 and 49 is divisible by 7 or not.

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No, 50 is not divisible by 7.

Explanation

The smallest factor of 490 is 1. So, 1 + 49 = 50 and 50 is not divisible by 7.

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Problem 4

Calculate the number of factors of 490 by using the prime factorization method.

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There are 3 prime factors of 490.
 

Explanation

Since 490= 72  × 2 × 5, the power of 2, 5, and 7 are 1,1 and 2. Now, add 1 to the powers and multiply. So, (1+1) * (1+1) * (2+1) = 12 factors.
 

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Problem 5

Find the sum of all prime factors of 490 that are odd and greater than 2.

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 12 is the sum of all prime factors of 490.

Explanation

The prime factors greater than 2 are 5 and 7. So, the sum of 5 and 7 is 12

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FAQs on factors of 490

1.Is 490 a factor of 0?

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2.Is the L.C.M. of two numbers also the factor of two numbers?

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3.What is a factoring calculator used for?

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4. Can 11 be a divisor of 99?

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5.What is the highest power of 7 in the prime factorization of 490?

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6.How can children in Qatar use numbers in everyday life to understand Factors of 490 ?

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7.What are some fun ways kids in Qatar can practice Factors of 490 with numbers?

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8.What role do numbers and Factors of 490 play in helping children in Qatar develop problem-solving skills?

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9.How can families in Qatar create number-rich environments to improve Factors of 490 skills?

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Professor Greenline from BrightChamps

Important Glossaries for Factors of 490

  • Prime Numbers: Those numbers which have no other factors other than 1 & the number itself.

 

  • Composite Numbers: Those numbers that have more than 2 factors.

 

  • Negative Factors: These are the counterparts of the positive factors of a number.

 

  • Prime Factorization: Process of breaking down a composite number into products of several of its prime factors.
     
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About BrightChamps in Qatar

At BrightChamps, numbers are more than symbols—they open pathways to countless chances! Our mission is to help kids throughout Qatar master important math skills, focusing today on Factors of 490 with special attention to factors—in an engaging, clear, and fun way. Whether your child is figuring out the speed of a ride at Angry Birds World, tracking local football scores, or managing their allowance for gadgets, strong number skills boost their confidence for daily tasks. Our interactive lessons make learning straightforward and enjoyable. Since kids in Qatar learn uniquely, we customize lessons to each child’s needs. From Doha’s modern cityscape to desert surroundings, BrightChamps brings math to life across Qatar. Let’s make factors an exciting part of every child’s math journey!
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

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Fun Fact

: She loves to read number jokes and games.

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