Q: What are the prime factors of the number 776,615?

 A: 5, 7, 22189

Why are those the prime factors of the number 776,615?

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 776,615

776,615
Factor Arrows
5155,323
Factor Arrows
722,189

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, 22189

We can check our work by multiplying all of the prime factors together: 5 x 7 x 22,189 = 776,615

This can also be written as 51 x 71 x 22,1891 = 776,615

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


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