Q: What are the prime factors of the number 66,666,047?

 A: 7, 59, 151, 1069

Why are those the prime factors of the number 66,666,047?

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 66,666,047

66,666,047
Factor Arrows
79,523,721
Factor Arrows
59161,419
Factor Arrows
1511,069

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:

7, 59, 151, 1069

We can check our work by multiplying all of the prime factors together: 7 x 59 x 151 x 1,069 = 66,666,047

This can also be written as 71 x 591 x 1511 x 1,0691 = 66,666,047

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


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