Q: What are the prime factors of the number 436,213,656?

 A: 2, 3, 97, 62459

Why are those the prime factors of the number 436,213,656?

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 436,213,656

436,213,656
Factor Arrows
2218,106,828
Factor Arrows
2109,053,414
Factor Arrows
254,526,707
Factor Arrows
318,175,569
Factor Arrows
36,058,523
Factor Arrows
9762,459

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, 97, 62459

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 97 x 62,459 = 436,213,656

This can also be written as 23 x 32 x 971 x 62,4591 = 436,213,656

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


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