Q: What are the prime factors of the number 68,163,634?

 A: 2, 7, 11, 113, 3917

Why are those the prime factors of the number 68,163,634?

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 68,163,634

68,163,634
Factor Arrows
234,081,817
Factor Arrows
74,868,831
Factor Arrows
11442,621
Factor Arrows
1133,917

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, 11, 113, 3917

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 113 x 3,917 = 68,163,634

This can also be written as 21 x 71 x 111 x 1131 x 3,9171 = 68,163,634

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


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