Q: What are the prime factors of the number 77,505,662?

 A: 2, 13, 41, 72707

Why are those the prime factors of the number 77,505,662?

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 77,505,662

77,505,662
Factor Arrows
238,752,831
Factor Arrows
132,980,987
Factor Arrows
4172,707

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, 13, 41, 72707

We can check our work by multiplying all of the prime factors together: 2 x 13 x 41 x 72,707 = 77,505,662

This can also be written as 21 x 131 x 411 x 72,7071 = 77,505,662

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


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