Q: What are the prime factors of the number 57,503,724?

 A: 2, 3, 17, 61, 4621

Why are those the prime factors of the number 57,503,724?

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 57,503,724

57,503,724
Factor Arrows
228,751,862
Factor Arrows
214,375,931
Factor Arrows
34,791,977
Factor Arrows
17281,881
Factor Arrows
614,621

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, 61, 4621

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 61 x 4,621 = 57,503,724

This can also be written as 22 x 31 x 171 x 611 x 4,6211 = 57,503,724

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


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