Factors of 403 in pairs

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

The number 403 is a composite number. So, 403 has more than one factor pair.

These are all the factor pairs of 403:

• 1,403
• 13,31

Here is how to find the factor pairs for the number 403:

• 403 divided by 1 is 403. So, (1, 403) is a factor pair of 403
• 403 divided by 13 is 31. So, (13, 31) is a factor pair of 403

Factor pairs of 403 that ads up to a number:

• The factors of 403 that adds up to 404 are 1 and 403
• The factors of 403 that adds up to 416 are 13 and 31

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 403 is 13•31.

The prime factors of 403 are 13 and 31. It is the list of the integer's prime factors.