Q: What are the prime factors of the number 71,496?

 A: 2, 3, 331

Why are those the prime factors of the number 71,496?

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 71,496

71,496
Factor Arrows
235,748
Factor Arrows
217,874
Factor Arrows
28,937
Factor Arrows
32,979
Factor Arrows
3993
Factor Arrows
3331

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, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 331 = 71,496

This can also be written as 23 x 33 x 3311 = 71,496

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


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