Q: What are the prime factors of the number 273,440,629?

 A: 7, 11, 23, 137

Why are those the prime factors of the number 273,440,629?

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 273,440,629

273,440,629
Factor Arrows
739,062,947
Factor Arrows
75,580,421
Factor Arrows
7797,203
Factor Arrows
1172,473
Factor Arrows
233,151
Factor Arrows
23137

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:

7, 11, 23, 137

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 11 x 23 x 23 x 137 = 273,440,629

This can also be written as 73 x 111 x 232 x 1371 = 273,440,629

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


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