Factors of 100 in pairs

Factors are pairs of numbers which, if multiplied together, give the original number.

The number 100 is a composite number. So, 100 has more than one factor pair.

These are all the factor pairs of 100:

• 1,100
• 2,50
• 4,25
• 5,20
• 10,10

Here is how to find the factor pairs for the number 100:

• 100 divided by 1 is 100. So, (1, 100) is a factor pair of 100
• 100 divided by 2 is 50. So, (2, 50) is a factor pair of 100
• 100 divided by 4 is 25. So, (4, 25) is a factor pair of 100
• 100 divided by 5 is 20. So, (5, 20) is a factor pair of 100
• 100 divided by 10 is 10. So, (10, 10) is a factor pair of 100

Factor pairs of 100 that ads up to a number:

• The factors of 100 that adds up to 101 are 1 and 100
• The factors of 100 that adds up to 102 are 2 and 50
• The factors of 100 that adds up to 104 are 4 and 25
• The factors of 100 that adds up to 105 are 5 and 20
• The factors of 100 that adds up to 110 are 10 and 10

Note 1: if we change the order of all pairs above, we can double the number of pairs. We choose not to show them.
Note 2: do not confuse these pairs with prime factors. See below some info:

The factorization or decomposition of 100 is 2²•5².

The prime factors of 100 are 2 and 5. It is the list of the integer's prime factors.