Q: What are the prime factors of the number 64,363,072?

 A: 2, 773, 1301

Why are those the prime factors of the number 64,363,072?

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 64,363,072

64,363,072
Factor Arrows
232,181,536
Factor Arrows
216,090,768
Factor Arrows
28,045,384
Factor Arrows
24,022,692
Factor Arrows
22,011,346
Factor Arrows
21,005,673
Factor Arrows
7731,301

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, 773, 1301

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 773 x 1,301 = 64,363,072

This can also be written as 26 x 7731 x 1,3011 = 64,363,072

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


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