Q: What are the prime factors of the number 77,404,442?

 A: 2, 19, 107, 19037

Why are those the prime factors of the number 77,404,442?

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 77,404,442

77,404,442
Factor Arrows
238,702,221
Factor Arrows
192,036,959
Factor Arrows
10719,037

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, 19, 107, 19037

We can check our work by multiplying all of the prime factors together: 2 x 19 x 107 x 19,037 = 77,404,442

This can also be written as 21 x 191 x 1071 x 19,0371 = 77,404,442

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


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