Q: What are the prime factors of the number 82,068,544?

 A: 2, 163, 7867

Why are those the prime factors of the number 82,068,544?

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 82,068,544

82,068,544
Factor Arrows
241,034,272
Factor Arrows
220,517,136
Factor Arrows
210,258,568
Factor Arrows
25,129,284
Factor Arrows
22,564,642
Factor Arrows
21,282,321
Factor Arrows
1637,867

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, 163, 7867

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 163 x 7,867 = 82,068,544

This can also be written as 26 x 1631 x 7,8671 = 82,068,544

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


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