Q: What are the prime factors of the number 85,264,992?

 A: 2, 3, 383, 773

Why are those the prime factors of the number 85,264,992?

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 85,264,992

85,264,992
Factor Arrows
242,632,496
Factor Arrows
221,316,248
Factor Arrows
210,658,124
Factor Arrows
25,329,062
Factor Arrows
22,664,531
Factor Arrows
3888,177
Factor Arrows
3296,059
Factor Arrows
383773

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, 383, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 383 x 773 = 85,264,992

This can also be written as 25 x 32 x 3831 x 7731 = 85,264,992

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


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