Q: What are the prime factors of the number 82,238,736?

 A: 2, 3, 61, 28087

Why are those the prime factors of the number 82,238,736?

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 82,238,736

82,238,736
Factor Arrows
241,119,368
Factor Arrows
220,559,684
Factor Arrows
210,279,842
Factor Arrows
25,139,921
Factor Arrows
31,713,307
Factor Arrows
6128,087

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, 61, 28087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 61 x 28,087 = 82,238,736

This can also be written as 24 x 31 x 611 x 28,0871 = 82,238,736

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


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