Q: What are the prime factors of the number 722,200,384?

 A: 2, 151, 74731

Why are those the prime factors of the number 722,200,384?

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 722,200,384

722,200,384
Factor Arrows
2361,100,192
Factor Arrows
2180,550,096
Factor Arrows
290,275,048
Factor Arrows
245,137,524
Factor Arrows
222,568,762
Factor Arrows
211,284,381
Factor Arrows
15174,731

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, 151, 74731

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 151 x 74,731 = 722,200,384

This can also be written as 26 x 1511 x 74,7311 = 722,200,384

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


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