Q: What are the prime factors of the number 731,088?

 A: 2, 3, 5077

Why are those the prime factors of the number 731,088?

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 731,088

731,088
Factor Arrows
2365,544
Factor Arrows
2182,772
Factor Arrows
291,386
Factor Arrows
245,693
Factor Arrows
315,231
Factor Arrows
35,077

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, 5077

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5,077 = 731,088

This can also be written as 24 x 32 x 5,0771 = 731,088

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


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