Q: What are the prime factors of the number 68,122,068?

 A: 2, 3, 7, 19, 42683

Why are those the prime factors of the number 68,122,068?

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 68,122,068

68,122,068
Factor Arrows
234,061,034
Factor Arrows
217,030,517
Factor Arrows
35,676,839
Factor Arrows
7810,977
Factor Arrows
1942,683

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, 19, 42683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 19 x 42,683 = 68,122,068

This can also be written as 22 x 31 x 71 x 191 x 42,6831 = 68,122,068

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


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