Q: What are the prime factors of the number 657,134,260?

 A: 2, 5, 47, 97, 7207

Why are those the prime factors of the number 657,134,260?

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 657,134,260

657,134,260
Factor Arrows
2328,567,130
Factor Arrows
2164,283,565
Factor Arrows
532,856,713
Factor Arrows
47699,079
Factor Arrows
977,207

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, 47, 97, 7207

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 47 x 97 x 7,207 = 657,134,260

This can also be written as 22 x 51 x 471 x 971 x 7,2071 = 657,134,260

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


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