Q: What are the prime factors of the number 275,018,256?

 A: 2, 3, 61, 131, 239

Why are those the prime factors of the number 275,018,256?

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 275,018,256

275,018,256
Factor Arrows
2137,509,128
Factor Arrows
268,754,564
Factor Arrows
234,377,282
Factor Arrows
217,188,641
Factor Arrows
35,729,547
Factor Arrows
31,909,849
Factor Arrows
6131,309
Factor Arrows
131239

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, 61, 131, 239

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 61 x 131 x 239 = 275,018,256

This can also be written as 24 x 32 x 611 x 1311 x 2391 = 275,018,256

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


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