Q: What are the prime factors of the number 64,637,451?

 A: 3, 17, 24851

Why are those the prime factors of the number 64,637,451?

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 64,637,451

64,637,451
Factor Arrows
321,545,817
Factor Arrows
37,181,939
Factor Arrows
17422,467
Factor Arrows
1724,851

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:

3, 17, 24851

We can check our work by multiplying all of the prime factors together: 3 x 3 x 17 x 17 x 24,851 = 64,637,451

This can also be written as 32 x 172 x 24,8511 = 64,637,451

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


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