Factors of 39 in pairs

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

The number 39 is a composite number. So, 39 has more than one factor pair.

These are all the factor pairs of 39:

• 1,39
• 3,13

Here is how to find the factor pairs for the number 39:

• 39 divided by 1 is 39. So, (1, 39) is a factor pair of 39
• 39 divided by 3 is 13. So, (3, 13) is a factor pair of 39

Factor pairs of 39 that ads up to a number:

• The factors of 39 that adds up to 40 are 1 and 39
• The factors of 39 that adds up to 42 are 3 and 13

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 39 is 3•13.

The prime factors of 39 are 3 and 13. It is the list of the integer's prime factors.