Q: What are the prime factors of the number 64,631,256?

 A: 2, 3, 29, 92861

Why are those the prime factors of the number 64,631,256?

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 64,631,256

64,631,256
Factor Arrows
232,315,628
Factor Arrows
216,157,814
Factor Arrows
28,078,907
Factor Arrows
32,692,969
Factor Arrows
2992,861

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, 29, 92861

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 29 x 92,861 = 64,631,256

This can also be written as 23 x 31 x 291 x 92,8611 = 64,631,256

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


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