Factors of 309 in pairs

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

The number 309 is a composite number. So, 309 has more than one factor pair.

These are all the factor pairs of 309:

• 1,309
• 3,103

Here is how to find the factor pairs for the number 309:

• 309 divided by 1 is 309. So, (1, 309) is a factor pair of 309
• 309 divided by 3 is 103. So, (3, 103) is a factor pair of 309

Factor pairs of 309 that ads up to a number:

• The factors of 309 that adds up to 310 are 1 and 309
• The factors of 309 that adds up to 312 are 3 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 309 is 3•103.

The prime factors of 309 are 3 and 103. It is the list of the integer's prime factors.