Q: What are the prime factors of the number 274,751,568?

 A: 2, 3, 7, 13, 29, 241

Why are those the prime factors of the number 274,751,568?

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 274,751,568

274,751,568
Factor Arrows
2137,375,784
Factor Arrows
268,687,892
Factor Arrows
234,343,946
Factor Arrows
217,171,973
Factor Arrows
35,723,991
Factor Arrows
31,907,997
Factor Arrows
3635,999
Factor Arrows
790,857
Factor Arrows
136,989
Factor Arrows
29241

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, 7, 13, 29, 241

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 7 x 13 x 29 x 241 = 274,751,568

This can also be written as 24 x 33 x 71 x 131 x 291 x 2411 = 274,751,568

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


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