Q: What are the prime factors of the number 79,789,155?

 A: 3, 5, 151, 35227

Why are those the prime factors of the number 79,789,155?

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 79,789,155

79,789,155
Factor Arrows
326,596,385
Factor Arrows
55,319,277
Factor Arrows
15135,227

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, 151, 35227

We can check our work by multiplying all of the prime factors together: 3 x 5 x 151 x 35,227 = 79,789,155

This can also be written as 31 x 51 x 1511 x 35,2271 = 79,789,155

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


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