Q: What are the prime factors of the number 722,245,706?

 A: 2, 7, 13, 131, 30293

Why are those the prime factors of the number 722,245,706?

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 722,245,706

722,245,706
Factor Arrows
2361,122,853
Factor Arrows
751,588,979
Factor Arrows
133,968,383
Factor Arrows
13130,293

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, 13, 131, 30293

We can check our work by multiplying all of the prime factors together: 2 x 7 x 13 x 131 x 30,293 = 722,245,706

This can also be written as 21 x 71 x 131 x 1311 x 30,2931 = 722,245,706

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


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