Q: What are the prime factors of the number 660,250,320?

 A: 2, 3, 5, 283, 9721

Why are those the prime factors of the number 660,250,320?

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 660,250,320

660,250,320
Factor Arrows
2330,125,160
Factor Arrows
2165,062,580
Factor Arrows
282,531,290
Factor Arrows
241,265,645
Factor Arrows
313,755,215
Factor Arrows
52,751,043
Factor Arrows
2839,721

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, 5, 283, 9721

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 283 x 9,721 = 660,250,320

This can also be written as 24 x 31 x 51 x 2831 x 9,7211 = 660,250,320

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


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