Q: What are the prime factors of the number 63,174,380?

 A: 2, 5, 17, 71, 2617

Why are those the prime factors of the number 63,174,380?

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 63,174,380

63,174,380
Factor Arrows
231,587,190
Factor Arrows
215,793,595
Factor Arrows
53,158,719
Factor Arrows
17185,807
Factor Arrows
712,617

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, 5, 17, 71, 2617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 17 x 71 x 2,617 = 63,174,380

This can also be written as 22 x 51 x 171 x 711 x 2,6171 = 63,174,380

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


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