Factors of 729 in pairs

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

The number 729 is a composite number. So, 729 has more than one factor pair.

These are all the factor pairs of 729:

• 1,729
• 3,243
• 9,81
• 27,27

Here is how to find the factor pairs for the number 729:

• 729 divided by 1 is 729. So, (1, 729) is a factor pair of 729
• 729 divided by 3 is 243. So, (3, 243) is a factor pair of 729
• 729 divided by 9 is 81. So, (9, 81) is a factor pair of 729
• 729 divided by 27 is 27. So, (27, 27) is a factor pair of 729

Factor pairs of 729 that ads up to a number:

• The factors of 729 that adds up to 730 are 1 and 729
• The factors of 729 that adds up to 732 are 3 and 243
• The factors of 729 that adds up to 738 are 9 and 81
• The factors of 729 that adds up to 756 are 27 and 27

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 729 is 3⁶.

The prime factors of 729 are 3. It is the list of the integer's prime factors.