Q: What are the prime factors of the number 772,745,259?

 A: 3, 11, 13, 37, 89, 547

Why are those the prime factors of the number 772,745,259?

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 772,745,259

772,745,259
Factor Arrows
3257,581,753
Factor Arrows
1123,416,523
Factor Arrows
131,801,271
Factor Arrows
3748,683
Factor Arrows
89547

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, 13, 37, 89, 547

We can check our work by multiplying all of the prime factors together: 3 x 11 x 13 x 37 x 89 x 547 = 772,745,259

This can also be written as 31 x 111 x 131 x 371 x 891 x 5471 = 772,745,259

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


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