Q: What are the prime factors of the number 65,132,025?

 A: 3, 5, 7, 37, 479

Why are those the prime factors of the number 65,132,025?

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 65,132,025

65,132,025
Factor Arrows
321,710,675
Factor Arrows
54,342,135
Factor Arrows
5868,427
Factor Arrows
7124,061
Factor Arrows
717,723
Factor Arrows
37479

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:

3, 5, 7, 37, 479

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 7 x 7 x 37 x 479 = 65,132,025

This can also be written as 31 x 52 x 72 x 371 x 4791 = 65,132,025

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


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