Q: What are the prime factors of the number 660,303,567?

 A: 3, 7, 11, 79, 1723

Why are those the prime factors of the number 660,303,567?

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 660,303,567

660,303,567
Factor Arrows
3220,101,189
Factor Arrows
373,367,063
Factor Arrows
710,481,009
Factor Arrows
71,497,287
Factor Arrows
11136,117
Factor Arrows
791,723

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, 11, 79, 1723

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 11 x 79 x 1,723 = 660,303,567

This can also be written as 32 x 72 x 111 x 791 x 1,7231 = 660,303,567

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


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