Factors of 637 in pairs

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

The number 637 is a composite number. So, 637 has more than one factor pair.

These are all the factor pairs of 637:

• 1,637
• 7,91
• 13,49

Here is how to find the factor pairs for the number 637:

• 637 divided by 1 is 637. So, (1, 637) is a factor pair of 637
• 637 divided by 7 is 91. So, (7, 91) is a factor pair of 637
• 637 divided by 13 is 49. So, (13, 49) is a factor pair of 637

Factor pairs of 637 that ads up to a number:

• The factors of 637 that adds up to 638 are 1 and 637
• The factors of 637 that adds up to 644 are 7 and 91
• The factors of 637 that adds up to 650 are 13 and 49

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 637 is 7²•13.

The prime factors of 637 are 7 and 13. It is the list of the integer's prime factors.