Q: What are the prime factors of the number 79,118,725?

 A: 5, 7, 41, 11027

Why are those the prime factors of the number 79,118,725?

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 79,118,725

79,118,725
Factor Arrows
515,823,745
Factor Arrows
53,164,749
Factor Arrows
7452,107
Factor Arrows
4111,027

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, 41, 11027

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 41 x 11,027 = 79,118,725

This can also be written as 52 x 71 x 411 x 11,0271 = 79,118,725

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


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