Q: What are the prime factors of the number 773,406,456?

 A: 2, 3, 59, 317, 1723

Why are those the prime factors of the number 773,406,456?

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 773,406,456

773,406,456
Factor Arrows
2386,703,228
Factor Arrows
2193,351,614
Factor Arrows
296,675,807
Factor Arrows
332,225,269
Factor Arrows
59546,191
Factor Arrows
3171,723

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, 59, 317, 1723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 59 x 317 x 1,723 = 773,406,456

This can also be written as 23 x 31 x 591 x 3171 x 1,7231 = 773,406,456

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


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