Q: What are the prime factors of the number 615,564,005?

 A: 5, 7, 29, 37, 443

Why are those the prime factors of the number 615,564,005?

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 615,564,005

615,564,005
Factor Arrows
5123,112,801
Factor Arrows
717,587,543
Factor Arrows
29606,467
Factor Arrows
3716,391
Factor Arrows
37443

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:

5, 7, 29, 37, 443

We can check our work by multiplying all of the prime factors together: 5 x 7 x 29 x 37 x 37 x 443 = 615,564,005

This can also be written as 51 x 71 x 291 x 372 x 4431 = 615,564,005

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


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