Factors of 820 in pairs

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

The number 820 is a composite number. So, 820 has more than one factor pair.

These are all the factor pairs of 820:

• 1,820
• 2,410
• 4,205
• 5,164
• 10,82
• 20,41

Here is how to find the factor pairs for the number 820:

• 820 divided by 1 is 820. So, (1, 820) is a factor pair of 820
• 820 divided by 2 is 410. So, (2, 410) is a factor pair of 820
• 820 divided by 4 is 205. So, (4, 205) is a factor pair of 820
• 820 divided by 5 is 164. So, (5, 164) is a factor pair of 820
• 820 divided by 10 is 82. So, (10, 82) is a factor pair of 820
• 820 divided by 20 is 41. So, (20, 41) is a factor pair of 820

Factor pairs of 820 that ads up to a number:

• The factors of 820 that adds up to 821 are 1 and 820
• The factors of 820 that adds up to 822 are 2 and 410
• The factors of 820 that adds up to 824 are 4 and 205
• The factors of 820 that adds up to 825 are 5 and 164
• The factors of 820 that adds up to 830 are 10 and 82
• The factors of 820 that adds up to 840 are 20 and 41

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 820 is 2²•5•41.

The prime factors of 820 are 2, 5 and 41. It is the list of the integer's prime factors.