Q: What are the prime factors of the number 510,501,555?

 A: 3, 5, 79, 151, 317

Why are those the prime factors of the number 510,501,555?

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 510,501,555

510,501,555
Factor Arrows
3170,167,185
Factor Arrows
356,722,395
Factor Arrows
318,907,465
Factor Arrows
53,781,493
Factor Arrows
7947,867
Factor Arrows
151317

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:

3, 5, 79, 151, 317

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 79 x 151 x 317 = 510,501,555

This can also be written as 33 x 51 x 791 x 1511 x 3171 = 510,501,555

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


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