Q: What are the prime factors of the number 64,251,374?

 A: 2, 11, 23, 43, 2953

Why are those the prime factors of the number 64,251,374?

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 64,251,374

64,251,374
Factor Arrows
232,125,687
Factor Arrows
112,920,517
Factor Arrows
23126,979
Factor Arrows
432,953

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, 11, 23, 43, 2953

We can check our work by multiplying all of the prime factors together: 2 x 11 x 23 x 43 x 2,953 = 64,251,374

This can also be written as 21 x 111 x 231 x 431 x 2,9531 = 64,251,374

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


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