Q: What are the prime factors of the number 37,947,968?

 A: 2, 31, 617

Why are those the prime factors of the number 37,947,968?

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 37,947,968

37,947,968
Factor Arrows
218,973,984
Factor Arrows
29,486,992
Factor Arrows
24,743,496
Factor Arrows
22,371,748
Factor Arrows
21,185,874
Factor Arrows
2592,937
Factor Arrows
3119,127
Factor Arrows
31617

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, 31, 617

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 31 x 31 x 617 = 37,947,968

This can also be written as 26 x 312 x 6171 = 37,947,968

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


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