Q: What are the prime factors of the number 268,512,704?

 A: 2, 157, 26723

Why are those the prime factors of the number 268,512,704?

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 268,512,704

268,512,704
Factor Arrows
2134,256,352
Factor Arrows
267,128,176
Factor Arrows
233,564,088
Factor Arrows
216,782,044
Factor Arrows
28,391,022
Factor Arrows
24,195,511
Factor Arrows
15726,723

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, 157, 26723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 157 x 26,723 = 268,512,704

This can also be written as 26 x 1571 x 26,7231 = 268,512,704

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


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