Q: What are the prime factors of the number 162,526,460?

 A: 2, 5, 17, 41, 89, 131

Why are those the prime factors of the number 162,526,460?

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 162,526,460

162,526,460
Factor Arrows
281,263,230
Factor Arrows
240,631,615
Factor Arrows
58,126,323
Factor Arrows
17478,019
Factor Arrows
4111,659
Factor Arrows
89131

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, 5, 17, 41, 89, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 17 x 41 x 89 x 131 = 162,526,460

This can also be written as 22 x 51 x 171 x 411 x 891 x 1311 = 162,526,460

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


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