Q: What are the prime factors of the number 666,426,366?

 A: 2, 3, 4113743

Why are those the prime factors of the number 666,426,366?

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 666,426,366

666,426,366
Factor Arrows
2333,213,183
Factor Arrows
3111,071,061
Factor Arrows
337,023,687
Factor Arrows
312,341,229
Factor Arrows
34,113,743

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, 3, 4113743

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 4,113,743 = 666,426,366

This can also be written as 21 x 34 x 4,113,7431 = 666,426,366

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


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