Q: What are the prime factors of the number 722,427,036?

 A: 2, 3, 17, 47, 75347

Why are those the prime factors of the number 722,427,036?

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 722,427,036

722,427,036
Factor Arrows
2361,213,518
Factor Arrows
2180,606,759
Factor Arrows
360,202,253
Factor Arrows
173,541,309
Factor Arrows
4775,347

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, 3, 17, 47, 75347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 47 x 75,347 = 722,427,036

This can also be written as 22 x 31 x 171 x 471 x 75,3471 = 722,427,036

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


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