Q: What are the prime factors of the number 57,185,574?

 A: 2, 3, 97, 98257

Why are those the prime factors of the number 57,185,574?

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 57,185,574

57,185,574
Factor Arrows
228,592,787
Factor Arrows
39,530,929
Factor Arrows
9798,257

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, 97, 98257

We can check our work by multiplying all of the prime factors together: 2 x 3 x 97 x 98,257 = 57,185,574

This can also be written as 21 x 31 x 971 x 98,2571 = 57,185,574

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


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