Q: What are the prime factors of the number 64,206,656?

 A: 2, 41, 24469

Why are those the prime factors of the number 64,206,656?

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 64,206,656

64,206,656
Factor Arrows
232,103,328
Factor Arrows
216,051,664
Factor Arrows
28,025,832
Factor Arrows
24,012,916
Factor Arrows
22,006,458
Factor Arrows
21,003,229
Factor Arrows
4124,469

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, 41, 24469

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 41 x 24,469 = 64,206,656

This can also be written as 26 x 411 x 24,4691 = 64,206,656

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


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