Q: What are the prime factors of the number 163,525,625?

 A: 5, 261641

Why are those the prime factors of the number 163,525,625?

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 163,525,625

163,525,625
Factor Arrows
532,705,125
Factor Arrows
56,541,025
Factor Arrows
51,308,205
Factor Arrows
5261,641

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, 261641

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 261,641 = 163,525,625

This can also be written as 54 x 261,6411 = 163,525,625

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


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