Q: What are the prime factors of the number 773,615,072?

 A: 2, 557, 43403

Why are those the prime factors of the number 773,615,072?

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 773,615,072

773,615,072
Factor Arrows
2386,807,536
Factor Arrows
2193,403,768
Factor Arrows
296,701,884
Factor Arrows
248,350,942
Factor Arrows
224,175,471
Factor Arrows
55743,403

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, 557, 43403

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 557 x 43,403 = 773,615,072

This can also be written as 25 x 5571 x 43,4031 = 773,615,072

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


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