Q: What are the prime factors of the number 160,034,805?

 A: 3, 5, 7, 23, 37, 199

Why are those the prime factors of the number 160,034,805?

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 160,034,805

160,034,805
Factor Arrows
353,344,935
Factor Arrows
317,781,645
Factor Arrows
35,927,215
Factor Arrows
51,185,443
Factor Arrows
7169,349
Factor Arrows
237,363
Factor Arrows
37199

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, 23, 37, 199

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 23 x 37 x 199 = 160,034,805

This can also be written as 33 x 51 x 71 x 231 x 371 x 1991 = 160,034,805

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


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