Q: What are the prime factors of the number 162,532,512?

 A: 2, 3, 17, 89, 373

Why are those the prime factors of the number 162,532,512?

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 162,532,512

162,532,512
Factor Arrows
281,266,256
Factor Arrows
240,633,128
Factor Arrows
220,316,564
Factor Arrows
210,158,282
Factor Arrows
25,079,141
Factor Arrows
31,693,047
Factor Arrows
3564,349
Factor Arrows
1733,197
Factor Arrows
89373

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, 17, 89, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 17 x 89 x 373 = 162,532,512

This can also be written as 25 x 32 x 171 x 891 x 3731 = 162,532,512

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


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