Q: What are the prime factors of the number 812,726,026?

 A: 2, 7, 19, 41, 74521

Why are those the prime factors of the number 812,726,026?

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 812,726,026

812,726,026
Factor Arrows
2406,363,013
Factor Arrows
758,051,859
Factor Arrows
193,055,361
Factor Arrows
4174,521

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, 19, 41, 74521

We can check our work by multiplying all of the prime factors together: 2 x 7 x 19 x 41 x 74,521 = 812,726,026

This can also be written as 21 x 71 x 191 x 411 x 74,5211 = 812,726,026

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


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