Q: What are the prime factors of the number 654,055,668?

 A: 2, 3, 7, 865153

Why are those the prime factors of the number 654,055,668?

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 654,055,668

654,055,668
Factor Arrows
2327,027,834
Factor Arrows
2163,513,917
Factor Arrows
354,504,639
Factor Arrows
318,168,213
Factor Arrows
36,056,071
Factor Arrows
7865,153

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, 7, 865153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 865,153 = 654,055,668

This can also be written as 22 x 33 x 71 x 865,1531 = 654,055,668

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


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