Q: What are the prime factors of the number 630,644,628?

 A: 2, 3, 59, 619, 1439

Why are those the prime factors of the number 630,644,628?

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 630,644,628

630,644,628
Factor Arrows
2315,322,314
Factor Arrows
2157,661,157
Factor Arrows
352,553,719
Factor Arrows
59890,741
Factor Arrows
6191,439

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, 59, 619, 1439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 59 x 619 x 1,439 = 630,644,628

This can also be written as 22 x 31 x 591 x 6191 x 1,4391 = 630,644,628

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


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