Q: What are the prime factors of the number 67,720,222?

 A: 2, 79, 113, 3793

Why are those the prime factors of the number 67,720,222?

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 67,720,222

67,720,222
Factor Arrows
233,860,111
Factor Arrows
79428,609
Factor Arrows
1133,793

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, 79, 113, 3793

We can check our work by multiplying all of the prime factors together: 2 x 79 x 113 x 3,793 = 67,720,222

This can also be written as 21 x 791 x 1131 x 3,7931 = 67,720,222

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


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