Q: What are the prime factors of the number 722,130,108?

 A: 2, 3, 7, 739, 11633

Why are those the prime factors of the number 722,130,108?

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 722,130,108

722,130,108
Factor Arrows
2361,065,054
Factor Arrows
2180,532,527
Factor Arrows
360,177,509
Factor Arrows
78,596,787
Factor Arrows
73911,633

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, 7, 739, 11633

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 739 x 11,633 = 722,130,108

This can also be written as 22 x 31 x 71 x 7391 x 11,6331 = 722,130,108

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


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