Q: What are the prime factors of the number 660,065,133?

 A: 3, 7, 13, 47, 7349

Why are those the prime factors of the number 660,065,133?

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 660,065,133

660,065,133
Factor Arrows
3220,021,711
Factor Arrows
731,431,673
Factor Arrows
74,490,239
Factor Arrows
13345,403
Factor Arrows
477,349

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:

3, 7, 13, 47, 7349

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 13 x 47 x 7,349 = 660,065,133

This can also be written as 31 x 72 x 131 x 471 x 7,3491 = 660,065,133

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


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