Q: What are the prime factors of the number 722,336?

 A: 2, 22573

Why are those the prime factors of the number 722,336?

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 722,336

722,336
Factor Arrows
2361,168
Factor Arrows
2180,584
Factor Arrows
290,292
Factor Arrows
245,146
Factor Arrows
222,573

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, 22573

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 22,573 = 722,336

This can also be written as 25 x 22,5731 = 722,336

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


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