Q: What are the prime factors of the number 730,688?

 A: 2, 7, 233

Why are those the prime factors of the number 730,688?

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 730,688

730,688
Factor Arrows
2365,344
Factor Arrows
2182,672
Factor Arrows
291,336
Factor Arrows
245,668
Factor Arrows
222,834
Factor Arrows
211,417
Factor Arrows
71,631
Factor Arrows
7233

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, 7, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 7 x 233 = 730,688

This can also be written as 26 x 72 x 2331 = 730,688

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


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