Factors of 840 in pairs

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

The number 840 is a composite number. So, 840 has more than one factor pair.

These are all the factor pairs of 840:

• 1,840
• 2,420
• 3,280
• 4,210
• 5,168
• 6,140
• 7,120
• 8,105
• 10,84
• 12,70
• 14,60
• 15,56
• 20,42
• 21,40
• 24,35
• 28,30

Here is how to find the factor pairs for the number 840:

• 840 divided by 1 is 840. So, (1, 840) is a factor pair of 840
• 840 divided by 2 is 420. So, (2, 420) is a factor pair of 840
• 840 divided by 3 is 280. So, (3, 280) is a factor pair of 840
• 840 divided by 4 is 210. So, (4, 210) is a factor pair of 840
• 840 divided by 5 is 168. So, (5, 168) is a factor pair of 840
• 840 divided by 6 is 140. So, (6, 140) is a factor pair of 840
• 840 divided by 7 is 120. So, (7, 120) is a factor pair of 840
• 840 divided by 8 is 105. So, (8, 105) is a factor pair of 840
• 840 divided by 10 is 84. So, (10, 84) is a factor pair of 840
• 840 divided by 12 is 70. So, (12, 70) is a factor pair of 840
• 840 divided by 14 is 60. So, (14, 60) is a factor pair of 840
• 840 divided by 15 is 56. So, (15, 56) is a factor pair of 840
• 840 divided by 20 is 42. So, (20, 42) is a factor pair of 840
• 840 divided by 21 is 40. So, (21, 40) is a factor pair of 840
• 840 divided by 24 is 35. So, (24, 35) is a factor pair of 840
• 840 divided by 28 is 30. So, (28, 30) is a factor pair of 840

Factor pairs of 840 that ads up to a number:

• The factors of 840 that adds up to 841 are 1 and 840
• The factors of 840 that adds up to 842 are 2 and 420
• The factors of 840 that adds up to 843 are 3 and 280
• The factors of 840 that adds up to 844 are 4 and 210
• The factors of 840 that adds up to 845 are 5 and 168
• The factors of 840 that adds up to 846 are 6 and 140
• The factors of 840 that adds up to 847 are 7 and 120
• The factors of 840 that adds up to 848 are 8 and 105
• The factors of 840 that adds up to 850 are 10 and 84
• The factors of 840 that adds up to 852 are 12 and 70
• The factors of 840 that adds up to 854 are 14 and 60
• The factors of 840 that adds up to 855 are 15 and 56
• The factors of 840 that adds up to 860 are 20 and 42
• The factors of 840 that adds up to 861 are 21 and 40
• The factors of 840 that adds up to 864 are 24 and 35
• The factors of 840 that adds up to 868 are 28 and 30

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 840 is 2³•3•5•7.

The prime factors of 840 are 2, 3, 5 and 7. It is the list of the integer's prime factors.