Q: What are the prime factors of the number 68,168,502?

 A: 2, 3, 29, 43, 3037

Why are those the prime factors of the number 68,168,502?

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 68,168,502

68,168,502
Factor Arrows
234,084,251
Factor Arrows
311,361,417
Factor Arrows
33,787,139
Factor Arrows
29130,591
Factor Arrows
433,037

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, 29, 43, 3037

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 29 x 43 x 3,037 = 68,168,502

This can also be written as 21 x 32 x 291 x 431 x 3,0371 = 68,168,502

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


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