Q: What are the prime factors of the number 72,371,932?

 A: 2, 853, 21211

Why are those the prime factors of the number 72,371,932?

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 72,371,932

72,371,932
Factor Arrows
236,185,966
Factor Arrows
218,092,983
Factor Arrows
85321,211

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, 853, 21211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 853 x 21,211 = 72,371,932

This can also be written as 22 x 8531 x 21,2111 = 72,371,932

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


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