Q: What are the prime factors of the number 660,253,540?

 A: 2, 5, 151, 218627

Why are those the prime factors of the number 660,253,540?

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 660,253,540

660,253,540
Factor Arrows
2330,126,770
Factor Arrows
2165,063,385
Factor Arrows
533,012,677
Factor Arrows
151218,627

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, 5, 151, 218627

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 151 x 218,627 = 660,253,540

This can also be written as 22 x 51 x 1511 x 218,6271 = 660,253,540

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


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