Q: What are the prime factors of the number 80,445,505?

 A: 5, 7, 6701

Why are those the prime factors of the number 80,445,505?

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 80,445,505

80,445,505
Factor Arrows
516,089,101
Factor Arrows
72,298,443
Factor Arrows
7328,349
Factor Arrows
746,907
Factor Arrows
76,701

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, 6701

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 7 x 7 x 6,701 = 80,445,505

This can also be written as 51 x 74 x 6,7011 = 80,445,505

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


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