Q: What are the prime factors of the number 160,031,305?

 A: 5, 7, 59, 11071

Why are those the prime factors of the number 160,031,305?

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 160,031,305

160,031,305
Factor Arrows
532,006,261
Factor Arrows
74,572,323
Factor Arrows
7653,189
Factor Arrows
5911,071

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, 7, 59, 11071

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 59 x 11,071 = 160,031,305

This can also be written as 51 x 72 x 591 x 11,0711 = 160,031,305

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


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