Q: What are the prime factors of the number 162,641,525?

 A: 5, 229, 28409

Why are those the prime factors of the number 162,641,525?

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 162,641,525

162,641,525
Factor Arrows
532,528,305
Factor Arrows
56,505,661
Factor Arrows
22928,409

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, 229, 28409

We can check our work by multiplying all of the prime factors together: 5 x 5 x 229 x 28,409 = 162,641,525

This can also be written as 52 x 2291 x 28,4091 = 162,641,525

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


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