Q: What are the prime factors of the number 286,497?

 A: 3, 131

Why are those the prime factors of the number 286,497?

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 286,497

286,497
Factor Arrows
395,499
Factor Arrows
331,833
Factor Arrows
310,611
Factor Arrows
33,537
Factor Arrows
31,179
Factor Arrows
3393
Factor Arrows
3131

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, 131

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 131 = 286,497

This can also be written as 37 x 1311 = 286,497

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


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