Factors of 861 in pairs

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

The number 861 is a composite number. So, 861 has more than one factor pair.

These are all the factor pairs of 861:

• 1,861
• 3,287
• 7,123
• 21,41

Here is how to find the factor pairs for the number 861:

• 861 divided by 1 is 861. So, (1, 861) is a factor pair of 861
• 861 divided by 3 is 287. So, (3, 287) is a factor pair of 861
• 861 divided by 7 is 123. So, (7, 123) is a factor pair of 861
• 861 divided by 21 is 41. So, (21, 41) is a factor pair of 861

Factor pairs of 861 that ads up to a number:

• The factors of 861 that adds up to 862 are 1 and 861
• The factors of 861 that adds up to 864 are 3 and 287
• The factors of 861 that adds up to 868 are 7 and 123
• The factors of 861 that adds up to 882 are 21 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 861 is 3•7•41.

The prime factors of 861 are 3, 7 and 41. It is the list of the integer's prime factors.