Q: What are the prime factors of the number 273,053,580?

 A: 2, 3, 5, 31, 73, 2011

Why are those the prime factors of the number 273,053,580?

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 273,053,580

273,053,580
Factor Arrows
2136,526,790
Factor Arrows
268,263,395
Factor Arrows
322,754,465
Factor Arrows
54,550,893
Factor Arrows
31146,803
Factor Arrows
732,011

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, 5, 31, 73, 2011

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 31 x 73 x 2,011 = 273,053,580

This can also be written as 22 x 31 x 51 x 311 x 731 x 2,0111 = 273,053,580

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


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