Q: What are the prime factors of the number 845,527,072?

 A: 2, 13, 71, 28627

Why are those the prime factors of the number 845,527,072?

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 845,527,072

845,527,072
Factor Arrows
2422,763,536
Factor Arrows
2211,381,768
Factor Arrows
2105,690,884
Factor Arrows
252,845,442
Factor Arrows
226,422,721
Factor Arrows
132,032,517
Factor Arrows
7128,627

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, 13, 71, 28627

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 71 x 28,627 = 845,527,072

This can also be written as 25 x 131 x 711 x 28,6271 = 845,527,072

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


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