Q: What are the prime factors of the number 773,160?

 A: 2, 3, 5, 17, 379

Why are those the prime factors of the number 773,160?

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 773,160

773,160
Factor Arrows
2386,580
Factor Arrows
2193,290
Factor Arrows
296,645
Factor Arrows
332,215
Factor Arrows
56,443
Factor Arrows
17379

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, 5, 17, 379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 17 x 379 = 773,160

This can also be written as 23 x 31 x 51 x 171 x 3791 = 773,160

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


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