Q: What are the prime factors of the number 162,310,577?

 A: 11, 13, 17, 179, 373

Why are those the prime factors of the number 162,310,577?

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 162,310,577

162,310,577
Factor Arrows
1114,755,507
Factor Arrows
131,135,039
Factor Arrows
1766,767
Factor Arrows
179373

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:

11, 13, 17, 179, 373

We can check our work by multiplying all of the prime factors together: 11 x 13 x 17 x 179 x 373 = 162,310,577

This can also be written as 111 x 131 x 171 x 1791 x 3731 = 162,310,577

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


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