Q: What are the prime factors of the number 68,017,888?

 A: 2, 2125559

Why are those the prime factors of the number 68,017,888?

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 68,017,888

68,017,888
Factor Arrows
234,008,944
Factor Arrows
217,004,472
Factor Arrows
28,502,236
Factor Arrows
24,251,118
Factor Arrows
22,125,559

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, 2125559

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2,125,559 = 68,017,888

This can also be written as 25 x 2,125,5591 = 68,017,888

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


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