Factors of 420 in pairs

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

The number 420 is a composite number. So, 420 has more than one factor pair.

These are all the factor pairs of 420:

• 1,420
• 2,210
• 3,140
• 4,105
• 5,84
• 6,70
• 7,60
• 10,42
• 12,35
• 14,30
• 15,28
• 20,21

Here is how to find the factor pairs for the number 420:

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

Factor pairs of 420 that ads up to a number:

• The factors of 420 that adds up to 421 are 1 and 420
• The factors of 420 that adds up to 422 are 2 and 210
• The factors of 420 that adds up to 423 are 3 and 140
• The factors of 420 that adds up to 424 are 4 and 105
• The factors of 420 that adds up to 425 are 5 and 84
• The factors of 420 that adds up to 426 are 6 and 70
• The factors of 420 that adds up to 427 are 7 and 60
• The factors of 420 that adds up to 430 are 10 and 42
• The factors of 420 that adds up to 432 are 12 and 35
• The factors of 420 that adds up to 434 are 14 and 30
• The factors of 420 that adds up to 435 are 15 and 28
• The factors of 420 that adds up to 440 are 20 and 21

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 420 is 2²•3•5•7.

The prime factors of 420 are 2, 3, 5 and 7. It is the list of the integer's prime factors.