Q: What are the prime factors of the number 274,272?

 A: 2, 3, 2857

Why are those the prime factors of the number 274,272?

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 274,272

274,272
Factor Arrows
2137,136
Factor Arrows
268,568
Factor Arrows
234,284
Factor Arrows
217,142
Factor Arrows
28,571
Factor Arrows
32,857

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, 2857

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 2,857 = 274,272

This can also be written as 25 x 31 x 2,8571 = 274,272

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


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