Q: What are the prime factors of the number 78,491,367?

 A: 3, 211, 41333

Why are those the prime factors of the number 78,491,367?

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 78,491,367

78,491,367
Factor Arrows
326,163,789
Factor Arrows
38,721,263
Factor Arrows
21141,333

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:

3, 211, 41333

We can check our work by multiplying all of the prime factors together: 3 x 3 x 211 x 41,333 = 78,491,367

This can also be written as 32 x 2111 x 41,3331 = 78,491,367

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


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