Q: What are the prime factors of the number 68,125,736?

 A: 2, 7, 83, 14657

Why are those the prime factors of the number 68,125,736?

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 68,125,736

68,125,736
Factor Arrows
234,062,868
Factor Arrows
217,031,434
Factor Arrows
28,515,717
Factor Arrows
71,216,531
Factor Arrows
8314,657

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, 7, 83, 14657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 83 x 14,657 = 68,125,736

This can also be written as 23 x 71 x 831 x 14,6571 = 68,125,736

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


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