Q: What are the prime factors of the number 273,063,072?

 A: 2, 3, 29, 43, 2281

Why are those the prime factors of the number 273,063,072?

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 273,063,072

273,063,072
Factor Arrows
2136,531,536
Factor Arrows
268,265,768
Factor Arrows
234,132,884
Factor Arrows
217,066,442
Factor Arrows
28,533,221
Factor Arrows
32,844,407
Factor Arrows
2998,083
Factor Arrows
432,281

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, 29, 43, 2281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 29 x 43 x 2,281 = 273,063,072

This can also be written as 25 x 31 x 291 x 431 x 2,2811 = 273,063,072

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


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