Q: What are the prime factors of the number 85,062,752?

 A: 2, 137, 19403

Why are those the prime factors of the number 85,062,752?

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 85,062,752

85,062,752
Factor Arrows
242,531,376
Factor Arrows
221,265,688
Factor Arrows
210,632,844
Factor Arrows
25,316,422
Factor Arrows
22,658,211
Factor Arrows
13719,403

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, 137, 19403

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 137 x 19,403 = 85,062,752

This can also be written as 25 x 1371 x 19,4031 = 85,062,752

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


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