Q: What are the prime factors of the number 790,830?

 A: 2, 3, 5, 29, 101

Why are those the prime factors of the number 790,830?

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 790,830

790,830
Factor Arrows
2395,415
Factor Arrows
3131,805
Factor Arrows
343,935
Factor Arrows
314,645
Factor Arrows
52,929
Factor Arrows
29101

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, 5, 29, 101

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 29 x 101 = 790,830

This can also be written as 21 x 33 x 51 x 291 x 1011 = 790,830

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


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