Q: What are the prime factors of the number 77,719,374?

 A: 2, 3, 83, 52021

Why are those the prime factors of the number 77,719,374?

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 77,719,374

77,719,374
Factor Arrows
238,859,687
Factor Arrows
312,953,229
Factor Arrows
34,317,743
Factor Arrows
8352,021

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, 3, 83, 52021

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 83 x 52,021 = 77,719,374

This can also be written as 21 x 32 x 831 x 52,0211 = 77,719,374

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


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