Q: What are the prime factors of the number 293,136?

 A: 2, 3, 31, 197

Why are those the prime factors of the number 293,136?

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 293,136

293,136
Factor Arrows
2146,568
Factor Arrows
273,284
Factor Arrows
236,642
Factor Arrows
218,321
Factor Arrows
36,107
Factor Arrows
31197

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, 31, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 31 x 197 = 293,136

This can also be written as 24 x 31 x 311 x 1971 = 293,136

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


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