Q: What are the prime factors of the number 22,371,856?

 A: 2, 13, 59, 1823

Why are those the prime factors of the number 22,371,856?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 22,371,856

22,371,856
Factor Arrows
211,185,928
Factor Arrows
25,592,964
Factor Arrows
22,796,482
Factor Arrows
21,398,241
Factor Arrows
13107,557
Factor Arrows
591,823

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 13, 59, 1823

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 59 x 1,823 = 22,371,856

This can also be written as 24 x 131 x 591 x 1,8231 = 22,371,856

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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