What are all the factors, the prime factorization, and factor pairs of 840?

To find the factors of 840, divide 840 by each number starting with 1 and working up to 840

Now let us find how to calculate all the factors of 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
As you can see, the factors of 840 are:
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840

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