Q: What are the prime factors of the number 516,170,272?

 A: 2, 2269, 7109

Why are those the prime factors of the number 516,170,272?

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 516,170,272

516,170,272
Factor Arrows
2258,085,136
Factor Arrows
2129,042,568
Factor Arrows
264,521,284
Factor Arrows
232,260,642
Factor Arrows
216,130,321
Factor Arrows
2,2697,109

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, 2269, 7109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2,269 x 7,109 = 516,170,272

This can also be written as 25 x 2,2691 x 7,1091 = 516,170,272

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


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