Q: What are the prime factors of the number 615,423,686?

 A: 2, 283, 499, 2179

Why are those the prime factors of the number 615,423,686?

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 615,423,686

615,423,686
Factor Arrows
2307,711,843
Factor Arrows
2831,087,321
Factor Arrows
4992,179

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, 283, 499, 2179

We can check our work by multiplying all of the prime factors together: 2 x 283 x 499 x 2,179 = 615,423,686

This can also be written as 21 x 2831 x 4991 x 2,1791 = 615,423,686

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


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