Q: What are the prime factors of the number 57,226,605?

 A: 3, 5, 37, 97, 1063

Why are those the prime factors of the number 57,226,605?

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 57,226,605

57,226,605
Factor Arrows
319,075,535
Factor Arrows
53,815,107
Factor Arrows
37103,111
Factor Arrows
971,063

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:

3, 5, 37, 97, 1063

We can check our work by multiplying all of the prime factors together: 3 x 5 x 37 x 97 x 1,063 = 57,226,605

This can also be written as 31 x 51 x 371 x 971 x 1,0631 = 57,226,605

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


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