Q: What are the prime factors of the number 273,307,554?

 A: 2, 3, 13, 617, 631

Why are those the prime factors of the number 273,307,554?

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 273,307,554

273,307,554
Factor Arrows
2136,653,777
Factor Arrows
345,551,259
Factor Arrows
315,183,753
Factor Arrows
35,061,251
Factor Arrows
13389,327
Factor Arrows
617631

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, 13, 617, 631

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 617 x 631 = 273,307,554

This can also be written as 21 x 33 x 131 x 6171 x 6311 = 273,307,554

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


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