Factors of 80 in pairs

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

The number 80 is a composite number. So, 80 has more than one factor pair.

These are all the factor pairs of 80:

• 1,80
• 2,40
• 4,20
• 5,16
• 8,10

Here is how to find the factor pairs for the number 80:

• 80 divided by 1 is 80. So, (1, 80) is a factor pair of 80
• 80 divided by 2 is 40. So, (2, 40) is a factor pair of 80
• 80 divided by 4 is 20. So, (4, 20) is a factor pair of 80
• 80 divided by 5 is 16. So, (5, 16) is a factor pair of 80
• 80 divided by 8 is 10. So, (8, 10) is a factor pair of 80

Factor pairs of 80 that ads up to a number:

• The factors of 80 that adds up to 81 are 1 and 80
• The factors of 80 that adds up to 82 are 2 and 40
• The factors of 80 that adds up to 84 are 4 and 20
• The factors of 80 that adds up to 85 are 5 and 16
• The factors of 80 that adds up to 88 are 8 and 10

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 80 is 2⁴•5.

The prime factors of 80 are 2 and 5. It is the list of the integer's prime factors.