Q: What are the prime factors of the number 75,215,525?

 A: 5, 7, 11, 41, 953

Why are those the prime factors of the number 75,215,525?

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 75,215,525

75,215,525
Factor Arrows
515,043,105
Factor Arrows
53,008,621
Factor Arrows
7429,803
Factor Arrows
1139,073
Factor Arrows
41953

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, 7, 11, 41, 953

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 11 x 41 x 953 = 75,215,525

This can also be written as 52 x 71 x 111 x 411 x 9531 = 75,215,525

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


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