Q: What are the prime factors of the number 745,475,665?

 A: 5, 11, 269, 50387

Why are those the prime factors of the number 745,475,665?

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 745,475,665

745,475,665
Factor Arrows
5149,095,133
Factor Arrows
1113,554,103
Factor Arrows
26950,387

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:

5, 11, 269, 50387

We can check our work by multiplying all of the prime factors together: 5 x 11 x 269 x 50,387 = 745,475,665

This can also be written as 51 x 111 x 2691 x 50,3871 = 745,475,665

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


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