Math Worksheets

Posts Tagged ‘Prime Numbers’

What are the Prime numbers between 0 and 10?

The numbers to consider are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. 

Recall the definition of Prime numbers:

• 0 has only one factor = 0 so 0 is not a prime number.

Prime numbers are numbers that are defined by their factors. Prime numbers only has 2 factors, one and itself. Prime numbers are very useful in mathematics and math students should be familiar with prime numbers.

• Click here for example of Prime numbers Math Worksheets
• Click here for how to calculate Prime factors
• Click here for Prime factors Math Worksheets
• Click here for prime number exercises

What is a prime number? What are prime numbers?

A prime number is a counting number that can be divided evenly by only two numbers which is one and itself. A prime number can be described as a number with exactly two factors, 1 and itself (prime factor).

Is 1 a prime number?

Based on the definition of prime numbers above, 1 is not a prime number since the only factor 1 has is itself. A prime number needs 2 factors, 1 and itself. Therefore, 1 is not a prime number.

List of prime numbers

Below is a list of prime numbers or the first 100 prime numbers.

• 2 3 5 7
• 11 13 17 19
• 23 29
• 31 37
• 41 43 47
• 53 59
• 61 67
• 71 73 79
• 83 89
• 97

Prime and composite numbers are often referred to hand in hand. Odd numbers and even numbers can be composite numbers.

What is a composite number?

A composite number is a counting number that is not a prime number. Composite numbers are numbers that have more than two factors. Composite numbers are different from Prime numbers because Prime numbers have two factors, one and itself whereas composite numbers have one, itself and another number. This is the composite number definition.

First 100 composite numbers

There are many composite numbers as seen in the composite number chart of List of Composite Numbers below.

• 4 6 8 9 10
• 12 14 15 16 18 20
• 21 22 24 25 26 27 28 30
• 32 33 34 35 36 38 39 40
• 42 44 45 46 48 49 50
• 51 52 54 55 56 57 58 60
• 62 63 64 65 66 68 69 70
• 72 74 75 76 77 78 80
• 81 82 84 85 86 87 88 90
• 91 92 93 94 95 96 98 99 100

Composite numbers are not as useful as Prime numbers in mathematics.