Factors of 155 in pairs

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

The number 155 is a composite number. So, 155 has more than one factor pair.

These are all the factor pairs of 155:

• 1,155
• 5,31

Here is how to find the factor pairs for the number 155:

• 155 divided by 1 is 155. So, (1, 155) is a factor pair of 155
• 155 divided by 5 is 31. So, (5, 31) is a factor pair of 155

Factor pairs of 155 that ads up to a number:

• The factors of 155 that adds up to 156 are 1 and 155
• The factors of 155 that adds up to 160 are 5 and 31

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 155 is 5•31.

The prime factors of 155 are 5 and 31. It is the list of the integer's prime factors.