Q: What are the prime factors of the number 66,679,949?

 A: 7, 19, 26387

Why are those the prime factors of the number 66,679,949?

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 66,679,949

66,679,949
Factor Arrows
79,525,707
Factor Arrows
19501,353
Factor Arrows
1926,387

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, 19, 26387

We can check our work by multiplying all of the prime factors together: 7 x 19 x 19 x 26,387 = 66,679,949

This can also be written as 71 x 192 x 26,3871 = 66,679,949

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


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