Q: What are the prime factors of the number 704,772?

 A: 2, 3, 19577

Why are those the prime factors of the number 704,772?

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 704,772

704,772
Factor Arrows
2352,386
Factor Arrows
2176,193
Factor Arrows
358,731
Factor Arrows
319,577

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, 19577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19,577 = 704,772

This can also be written as 22 x 32 x 19,5771 = 704,772

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


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