Q: What are the prime factors of the number 779,154?

 A: 2, 3, 31, 59, 71

Why are those the prime factors of the number 779,154?

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 779,154

779,154
Factor Arrows
2389,577
Factor Arrows
3129,859
Factor Arrows
314,189
Factor Arrows
5971

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, 31, 59, 71

We can check our work by multiplying all of the prime factors together: 2 x 3 x 31 x 59 x 71 = 779,154

This can also be written as 21 x 31 x 311 x 591 x 711 = 779,154

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


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