Q: What are the prime factors of the number 273,141,531?

 A: 3, 13, 331, 2351

Why are those the prime factors of the number 273,141,531?

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 273,141,531

273,141,531
Factor Arrows
391,047,177
Factor Arrows
330,349,059
Factor Arrows
310,116,353
Factor Arrows
13778,181
Factor Arrows
3312,351

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:

3, 13, 331, 2351

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 331 x 2,351 = 273,141,531

This can also be written as 33 x 131 x 3311 x 2,3511 = 273,141,531

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


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