Q: What are the prime factors of the number 667,746,252?

 A: 2, 3, 37, 491, 1021

Why are those the prime factors of the number 667,746,252?

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 667,746,252

667,746,252
Factor Arrows
2333,873,126
Factor Arrows
2166,936,563
Factor Arrows
355,645,521
Factor Arrows
318,548,507
Factor Arrows
37501,311
Factor Arrows
4911,021

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, 37, 491, 1021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 37 x 491 x 1,021 = 667,746,252

This can also be written as 22 x 32 x 371 x 4911 x 1,0211 = 667,746,252

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


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