Q: What are the prime factors of the number 44,671,872?

 A: 2, 3, 7, 16619

Why are those the prime factors of the number 44,671,872?

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 44,671,872

44,671,872
Factor Arrows
222,335,936
Factor Arrows
211,167,968
Factor Arrows
25,583,984
Factor Arrows
22,791,992
Factor Arrows
21,395,996
Factor Arrows
2697,998
Factor Arrows
2348,999
Factor Arrows
3116,333
Factor Arrows
716,619

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, 7, 16619

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 2 x 3 x 7 x 16,619 = 44,671,872

This can also be written as 27 x 31 x 71 x 16,6191 = 44,671,872

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


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