Q: What are the prime factors of the number 273,561,568?

 A: 2, 7, 229, 5333

Why are those the prime factors of the number 273,561,568?

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 273,561,568

273,561,568
Factor Arrows
2136,780,784
Factor Arrows
268,390,392
Factor Arrows
234,195,196
Factor Arrows
217,097,598
Factor Arrows
28,548,799
Factor Arrows
71,221,257
Factor Arrows
2295,333

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, 7, 229, 5333

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 229 x 5,333 = 273,561,568

This can also be written as 25 x 71 x 2291 x 5,3331 = 273,561,568

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


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