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148 LearnersLast updated on December 2nd, 2024
Is 141 a Prime Number?
A number is classified as a prime number if it satisfies a certain condition. The number has to be having only two factors 1 and the number itself, all other numbers which have more than two factors are categorized under composite numbers. The prime are used in our everyday life for the security and pin encryption and in machinery building.
Is 141 a prime number?
A prime number should not have factors more than 2 but 141 has 4 divisors. No, 141 is a composite number.
The divisors of 141 are 1, 3, 47, and 141. Therefore, 141 is a composite number. Composite numbers are the numbers which have factors more than 2.
Why is 141 a prime number?
A number to be a prime number should follow the criteria, which is that it should not have factors more than 2. 141 has factors more than 2, so it is a composite number.
Given below are a few ways that can be used to find prime or composite numbers.
Using the Counting Divisors Method
In this method, the divisors of a number are listed, and the number is checked, to be called a prime number. The counting divisors method for 141 would simply be
Divisors of 141 = 1, 3, 47, 141
Number of divisors = 4
The number 141 can be considered composite.
Using the Divisibility Test Method
In divisibility method, the prime number only has 2 divisors, which are 1 and itself.
Divisors of 141 = 1, 3, 47, 141.
As 141 has factors more than 2 then it is not a prime number.
Using Prime Number Chart
We write the prime number chart up to 10, which helps in sorting numbers.
The prime numbers from 100 to 200 are 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199. 141 is not on the list, so it is not a prime number.
Using the Prime Factorization Method
This method is only used for a composite number. Since 141 is a composite number, prime factorization for 141 is :
31 x 471
Hence, the prime factors of 141 are 3 and 47.
Common Mistakes to Avoid When Determining if 141 is a Prime Number.
FAQs for “Is 141 a Prime Number”?
1.What is the prime factorization of 141?
2.What is the product of 141 multiplied by 6?
3.What can be used to divide 141?
4.What is the trick to check if 3 is a factor of any number?
5.Important Glossaries for "Is 141 a Prime Number"
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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.
Fun Fact
: She loves to read number jokes and games.
