Q: What are the prime factors of the number 79,188,130?

 A: 2, 5, 7, 1131259

Why are those the prime factors of the number 79,188,130?

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 79,188,130

79,188,130
Factor Arrows
239,594,065
Factor Arrows
57,918,813
Factor Arrows
71,131,259

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:

2, 5, 7, 1131259

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 1,131,259 = 79,188,130

This can also be written as 21 x 51 x 71 x 1,131,2591 = 79,188,130

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


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