Factors of 16 in pairs

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

The number 16 is a composite number. So, 16 has more than one factor pair.

These are all the factor pairs of 16:

• 1,16
• 2,8
• 4,4

Here is how to find the factor pairs for the number 16:

• 16 divided by 1 is 16. So, (1, 16) is a factor pair of 16
• 16 divided by 2 is 8. So, (2, 8) is a factor pair of 16
• 16 divided by 4 is 4. So, (4, 4) is a factor pair of 16

Factor pairs of 16 that ads up to a number:

• The factors of 16 that adds up to 17 are 1 and 16
• The factors of 16 that adds up to 18 are 2 and 8
• The factors of 16 that adds up to 20 are 4 and 4

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 16 is 2⁴.

The prime factors of 16 are 2. It is the list of the integer's prime factors.