Q: What are the prime factors of the number 68,591,367?

 A: 3, 13, 21713

Why are those the prime factors of the number 68,591,367?

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 68,591,367

68,591,367
Factor Arrows
322,863,789
Factor Arrows
37,621,263
Factor Arrows
32,540,421
Factor Arrows
3846,807
Factor Arrows
3282,269
Factor Arrows
1321,713

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:

3, 13, 21713

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 13 x 21,713 = 68,591,367

This can also be written as 35 x 131 x 21,7131 = 68,591,367

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


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