Q: What are the prime factors of the number 272,475?

 A: 3, 5, 7, 173

Why are those the prime factors of the number 272,475?

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 272,475

272,475
Factor Arrows
390,825
Factor Arrows
330,275
Factor Arrows
56,055
Factor Arrows
51,211
Factor Arrows
7173

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, 5, 7, 173

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 7 x 173 = 272,475

This can also be written as 32 x 52 x 71 x 1731 = 272,475

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


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