Factors of 63 in pairs

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

The number 63 is a composite number. So, 63 has more than one factor pair.

These are all the factor pairs of 63:

• 1,63
• 3,21
• 7,9

Here is how to find the factor pairs for the number 63:

• 63 divided by 1 is 63. So, (1, 63) is a factor pair of 63
• 63 divided by 3 is 21. So, (3, 21) is a factor pair of 63
• 63 divided by 7 is 9. So, (7, 9) is a factor pair of 63

Factor pairs of 63 that ads up to a number:

• The factors of 63 that adds up to 64 are 1 and 63
• The factors of 63 that adds up to 66 are 3 and 21
• The factors of 63 that adds up to 70 are 7 and 9

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 63 is 3²•7.

The prime factors of 63 are 3 and 7. It is the list of the integer's prime factors.