Q: What are the prime factors of the number 825,725,776?

 A: 2, 73, 823, 859

Why are those the prime factors of the number 825,725,776?

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 825,725,776

825,725,776
Factor Arrows
2412,862,888
Factor Arrows
2206,431,444
Factor Arrows
2103,215,722
Factor Arrows
251,607,861
Factor Arrows
73706,957
Factor Arrows
823859

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, 73, 823, 859

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 73 x 823 x 859 = 825,725,776

This can also be written as 24 x 731 x 8231 x 8591 = 825,725,776

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


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