Q: What are the prime factors of the number 79,146,621?

 A: 3, 757, 11617

Why are those the prime factors of the number 79,146,621?

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 79,146,621

79,146,621
Factor Arrows
326,382,207
Factor Arrows
38,794,069
Factor Arrows
75711,617

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, 757, 11617

We can check our work by multiplying all of the prime factors together: 3 x 3 x 757 x 11,617 = 79,146,621

This can also be written as 32 x 7571 x 11,6171 = 79,146,621

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


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