Q: What are the prime factors of the number 636,631,512?

 A: 2, 3, 11, 43, 56081

Why are those the prime factors of the number 636,631,512?

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 636,631,512

636,631,512
Factor Arrows
2318,315,756
Factor Arrows
2159,157,878
Factor Arrows
279,578,939
Factor Arrows
326,526,313
Factor Arrows
112,411,483
Factor Arrows
4356,081

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, 11, 43, 56081

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 43 x 56,081 = 636,631,512

This can also be written as 23 x 31 x 111 x 431 x 56,0811 = 636,631,512

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


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