Factors of 721 in pairs

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

The number 721 is a composite number. So, 721 has more than one factor pair.

These are all the factor pairs of 721:

• 1,721
• 7,103

Here is how to find the factor pairs for the number 721:

• 721 divided by 1 is 721. So, (1, 721) is a factor pair of 721
• 721 divided by 7 is 103. So, (7, 103) is a factor pair of 721

Factor pairs of 721 that ads up to a number:

• The factors of 721 that adds up to 722 are 1 and 721
• The factors of 721 that adds up to 728 are 7 and 103

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 721 is 7•103.

The prime factors of 721 are 7 and 103. It is the list of the integer's prime factors.