Q: What are the prime factors of the number 66,888,068?

 A: 2, 13, 109, 11801

Why are those the prime factors of the number 66,888,068?

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 66,888,068

66,888,068
Factor Arrows
233,444,034
Factor Arrows
216,722,017
Factor Arrows
131,286,309
Factor Arrows
10911,801

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, 13, 109, 11801

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 109 x 11,801 = 66,888,068

This can also be written as 22 x 131 x 1091 x 11,8011 = 66,888,068

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


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