Q: What are the prime factors of the number 777,465,513?

 A: 3, 11, 983, 2663

Why are those the prime factors of the number 777,465,513?

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 777,465,513

777,465,513
Factor Arrows
3259,155,171
Factor Arrows
386,385,057
Factor Arrows
328,795,019
Factor Arrows
112,617,729
Factor Arrows
9832,663

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:

3, 11, 983, 2663

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 983 x 2,663 = 777,465,513

This can also be written as 33 x 111 x 9831 x 2,6631 = 777,465,513

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


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