Q: What are the prime factors of the number 777,320,752?

 A: 2, 13, 59, 97, 653

Why are those the prime factors of the number 777,320,752?

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 777,320,752

777,320,752
Factor Arrows
2388,660,376
Factor Arrows
2194,330,188
Factor Arrows
297,165,094
Factor Arrows
248,582,547
Factor Arrows
133,737,119
Factor Arrows
5963,341
Factor Arrows
97653

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, 13, 59, 97, 653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 59 x 97 x 653 = 777,320,752

This can also be written as 24 x 131 x 591 x 971 x 6531 = 777,320,752

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


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