Q: What are the prime factors of the number 56,501,508?

 A: 2, 3, 7, 307, 313

Why are those the prime factors of the number 56,501,508?

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 56,501,508

56,501,508
Factor Arrows
228,250,754
Factor Arrows
214,125,377
Factor Arrows
34,708,459
Factor Arrows
7672,637
Factor Arrows
796,091
Factor Arrows
307313

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, 7, 307, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 307 x 313 = 56,501,508

This can also be written as 22 x 31 x 72 x 3071 x 3131 = 56,501,508

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


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