Q: What are the prime factors of the number 767,663,505?

 A: 3, 5, 7, 569, 4283

Why are those the prime factors of the number 767,663,505?

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 767,663,505

767,663,505
Factor Arrows
3255,887,835
Factor Arrows
385,295,945
Factor Arrows
517,059,189
Factor Arrows
72,437,027
Factor Arrows
5694,283

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, 5, 7, 569, 4283

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 569 x 4,283 = 767,663,505

This can also be written as 32 x 51 x 71 x 5691 x 4,2831 = 767,663,505

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


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