Factors of 315 in pairs

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

The number 315 is a composite number. So, 315 has more than one factor pair.

These are all the factor pairs of 315:

• 1,315
• 3,105
• 5,63
• 7,45
• 9,35
• 15,21

Here is how to find the factor pairs for the number 315:

• 315 divided by 1 is 315. So, (1, 315) is a factor pair of 315
• 315 divided by 3 is 105. So, (3, 105) is a factor pair of 315
• 315 divided by 5 is 63. So, (5, 63) is a factor pair of 315
• 315 divided by 7 is 45. So, (7, 45) is a factor pair of 315
• 315 divided by 9 is 35. So, (9, 35) is a factor pair of 315
• 315 divided by 15 is 21. So, (15, 21) is a factor pair of 315

Factor pairs of 315 that ads up to a number:

• The factors of 315 that adds up to 316 are 1 and 315
• The factors of 315 that adds up to 318 are 3 and 105
• The factors of 315 that adds up to 320 are 5 and 63
• The factors of 315 that adds up to 322 are 7 and 45
• The factors of 315 that adds up to 324 are 9 and 35
• The factors of 315 that adds up to 330 are 15 and 21

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 315 is 3²•5•7.

The prime factors of 315 are 3, 5 and 7. It is the list of the integer's prime factors.