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Last updated on July 2nd, 2025

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Prime Numbers 1 to 9

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The natural numbers greater than 1 that are not divisible by any other numbers except 1 and themselves are called prime numbers. Prime numbers have only two factors: 1 and the number itself. They play a crucial role in various fields, such as cryptography, mathematics, and computer science. In this topic, we will focus on the prime numbers between 1 and 9.

Prime Numbers 1 to 9 for Indian Students
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Prime Numbers 1 to 9

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. Prime numbers are only divisible by 1 and themselves. Here are some basic properties of prime numbers: 

 

 

  • Every number greater than 1 is divisible by at least one prime number. 

 

  • Two prime numbers are always relatively prime to each other. 

 

  • Except for 2, all prime numbers are odd; 2 is the only even prime number.
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Prime Numbers 1 to 9 Chart

A prime number chart is a simple representation showing the prime numbers in increasing order. For the range 1 to 9, the chart is particularly straightforward. It helps in recognizing prime numbers quickly and is foundational in understanding number theory.

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List of All Prime Numbers 1 to 9

The list of all prime numbers from 1 to 9 provides a clear view of numbers in this range that are only divisible by 1 and themselves. The prime numbers in the range of 1 to 9 include 2, 3, 5, and 7.

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Prime Numbers - Odd Numbers

While most prime numbers are odd, 2 is the only even prime number. Thus, when discussing prime numbers, it's important to note that except for 2, all other prime numbers are odd.

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How to Identify Prime Numbers 1 to 9

Prime numbers can be identified through a couple of methods:

 

By Divisibility Method:

 

Check if a number is divisible by any numbers other than 1 and itself. If it is not, then it is a prime number.

 

For example: To check whether 5 is a prime number:

 

5 ÷ 2 = 2.5 (remainder ≠ 0) 

 

5 ÷ 3 = 1.66 (remainder ≠ 0)

 

Since no divisors are found, 5 is a prime number.

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Rules for Identifying Prime Numbers 1 to 9

Rule 1: Divisibility Check: Prime numbers are greater than 1 and have no divisors other than 1 and themselves. For numbers 1 to 9, check divisibility by numbers less than their square root.

 

Rule 2: Observation: For small numbers, direct observation is effective. For example, 2, 3, 5, and 7 are easily identified as prime numbers.

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Common Mistakes and How to Avoid Them in Prime Numbers 1 to 9

While working with prime numbers 1 to 9, students might encounter some errors or difficulties. Here are some solutions to address these issues:

Mistake 1

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Confusing composite numbers with prime numbers.

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A prime number has exactly two divisors: 1 and itself. Composite numbers have more than two divisors. For example, 4 is not a prime number because it has more than two divisors.

Mistake 2

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Including 1 as a prime number.

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Remember that prime numbers are greater than 1. Thus, 1 is not considered a prime number.

Mistake 3

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Overlooking the simplicity of small numbers.

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Take advantage of the small range. Numbers like 2, 3, 5, and 7 are easily identified as primes without complex methods.

Mistake 4

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Forgetting that 2 is the only even prime number.

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Remember that 2 is unique among primes because it is the only even prime number.

Mistake 5

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Assuming all odd numbers are prime.

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Not all odd numbers are prime. For example, 9 is odd but not a prime because it can be divided by 3.

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Prime Numbers Examples

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Problem 1

Is 7 a prime number?

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Yes, 7 is a prime number.

Explanation

7 is a prime number because it cannot be divided evenly by any number other than 1 and 7 itself.

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Problem 2

What is the smallest prime number?

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The smallest prime number is 2.

Explanation

2 is the smallest prime number and also the only even prime number. It is divisible only by 1 and itself.

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Problem 3

A teacher asks: Which prime number is closest to 6?

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5 is the prime number closest to 6.

Explanation

5 is a prime number because it is only divisible by 1 and itself. It is the closest prime number to 6.

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FAQs on Prime Numbers 1 to 9

1.Give some examples of prime numbers.

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2.Explain prime numbers in math.

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3.Is 2 the smallest prime number?

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4.Which is the largest prime number between 1 and 9?

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5.Are all odd numbers prime?

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6.How can children in India use numbers in everyday life to understand Prime Numbers 1 to 9?

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7.What are some fun ways kids in India can practice Prime Numbers 1 to 9 with numbers?

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8.What role do numbers and Prime Numbers 1 to 9 play in helping children in India develop problem-solving skills?

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9.How can families in India create number-rich environments to improve Prime Numbers 1 to 9 skills?

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Important Glossaries for Prime Numbers 1 to 9

  • Prime numbers: Natural numbers greater than 1 with no divisors other than 1 and themselves. Examples: 2, 3, 5, 7.

 

  • Natural numbers: Positive integers beginning from 1. Examples: 1, 2, 3, 4, 5.

 

  • Even numbers: Numbers divisible by 2. Example: 2.

 

  • Odd numbers: Numbers not divisible by 2. Examples: 3, 5, 7.

 

  • Composite numbers: Numbers greater than 1 that are not prime. Examples: 4, 6, 8, 9.
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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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