Q: What are the prime factors of the number 57,436,992?

 A: 2, 3, 43, 773

Why are those the prime factors of the number 57,436,992?

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 57,436,992

57,436,992
Factor Arrows
228,718,496
Factor Arrows
214,359,248
Factor Arrows
27,179,624
Factor Arrows
23,589,812
Factor Arrows
21,794,906
Factor Arrows
2897,453
Factor Arrows
3299,151
Factor Arrows
399,717
Factor Arrows
333,239
Factor Arrows
43773

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, 43, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 43 x 773 = 57,436,992

This can also be written as 26 x 33 x 431 x 7731 = 57,436,992

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


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