Q: What are the prime factors of the number 68,559,246?

 A: 2, 3, 7, 509, 1069

Why are those the prime factors of the number 68,559,246?

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 68,559,246

68,559,246
Factor Arrows
234,279,623
Factor Arrows
311,426,541
Factor Arrows
33,808,847
Factor Arrows
7544,121
Factor Arrows
5091,069

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, 509, 1069

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 509 x 1,069 = 68,559,246

This can also be written as 21 x 32 x 71 x 5091 x 1,0691 = 68,559,246

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


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