Q: What are the prime factors of the number 57,304,440?

 A: 2, 3, 5, 159179

Why are those the prime factors of the number 57,304,440?

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 57,304,440

57,304,440
Factor Arrows
228,652,220
Factor Arrows
214,326,110
Factor Arrows
27,163,055
Factor Arrows
32,387,685
Factor Arrows
3795,895
Factor Arrows
5159,179

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, 5, 159179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 159,179 = 57,304,440

This can also be written as 23 x 32 x 51 x 159,1791 = 57,304,440

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


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