Q: What are the prime factors of the number 162,746,160?

 A: 2, 3, 5, 23, 29483

Why are those the prime factors of the number 162,746,160?

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 162,746,160

162,746,160
Factor Arrows
281,373,080
Factor Arrows
240,686,540
Factor Arrows
220,343,270
Factor Arrows
210,171,635
Factor Arrows
33,390,545
Factor Arrows
5678,109
Factor Arrows
2329,483

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:

2, 3, 5, 23, 29483

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 23 x 29,483 = 162,746,160

This can also be written as 24 x 31 x 51 x 231 x 29,4831 = 162,746,160

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


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