Q: What are the prime factors of the number 768,563,316?

 A: 2, 3, 790703

Why are those the prime factors of the number 768,563,316?

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 768,563,316

768,563,316
Factor Arrows
2384,281,658
Factor Arrows
2192,140,829
Factor Arrows
364,046,943
Factor Arrows
321,348,981
Factor Arrows
37,116,327
Factor Arrows
32,372,109
Factor Arrows
3790,703

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, 790703

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 790,703 = 768,563,316

This can also be written as 22 x 35 x 790,7031 = 768,563,316

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


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