Q: What are the prime factors of the number 68,624,658?

 A: 2, 3, 337, 419

Why are those the prime factors of the number 68,624,658?

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 68,624,658

68,624,658
Factor Arrows
234,312,329
Factor Arrows
311,437,443
Factor Arrows
33,812,481
Factor Arrows
31,270,827
Factor Arrows
3423,609
Factor Arrows
3141,203
Factor Arrows
337419

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, 337, 419

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 337 x 419 = 68,624,658

This can also be written as 21 x 35 x 3371 x 4191 = 68,624,658

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


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