Q: What are the prime factors of the number 75,061,745?

 A: 5, 11, 11279

Why are those the prime factors of the number 75,061,745?

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 75,061,745

75,061,745
Factor Arrows
515,012,349
Factor Arrows
111,364,759
Factor Arrows
11124,069
Factor Arrows
1111,279

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, 11, 11279

We can check our work by multiplying all of the prime factors together: 5 x 11 x 11 x 11 x 11,279 = 75,061,745

This can also be written as 51 x 113 x 11,2791 = 75,061,745

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


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