Factors of 4 in pairs

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

The number 4 is a composite number. So, 4 has more than one factor pair.

These are all the factor pairs of 4:

• 1,4
• 2,2

Here is how to find the factor pairs for the number 4:

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

Factor pairs of 4 that ads up to a number:

• The factors of 4 that adds up to 5 are 1 and 4
• The factors of 4 that adds up to 6 are 2 and 2

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 4 is 2².

The prime factors of 4 are 2. It is the list of the integer's prime factors.