Q: What are the prime factors of the number 64,226,628?

 A: 2, 3, 47, 12653

Why are those the prime factors of the number 64,226,628?

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 64,226,628

64,226,628
Factor Arrows
232,113,314
Factor Arrows
216,056,657
Factor Arrows
35,352,219
Factor Arrows
31,784,073
Factor Arrows
3594,691
Factor Arrows
4712,653

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, 47, 12653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 47 x 12,653 = 64,226,628

This can also be written as 22 x 33 x 471 x 12,6531 = 64,226,628

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


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