Q: What are the prime factors of the number 667,427,260?

 A: 2, 5, 47, 15107

Why are those the prime factors of the number 667,427,260?

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 667,427,260

667,427,260
Factor Arrows
2333,713,630
Factor Arrows
2166,856,815
Factor Arrows
533,371,363
Factor Arrows
47710,029
Factor Arrows
4715,107

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, 15107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 47 x 47 x 15,107 = 667,427,260

This can also be written as 22 x 51 x 472 x 15,1071 = 667,427,260

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


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