Q: What are the prime factors of the number 214,550,640?

 A: 2, 3, 5, 71, 1399

Why are those the prime factors of the number 214,550,640?

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 214,550,640

214,550,640
Factor Arrows
2107,275,320
Factor Arrows
253,637,660
Factor Arrows
226,818,830
Factor Arrows
213,409,415
Factor Arrows
34,469,805
Factor Arrows
31,489,935
Factor Arrows
3496,645
Factor Arrows
599,329
Factor Arrows
711,399

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, 71, 1399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 71 x 1,399 = 214,550,640

This can also be written as 24 x 33 x 51 x 711 x 1,3991 = 214,550,640

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


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