Q: What are the prime factors of the number 286,636?

 A: 2, 7, 29, 353

Why are those the prime factors of the number 286,636?

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 286,636

286,636
Factor Arrows
2143,318
Factor Arrows
271,659
Factor Arrows
710,237
Factor Arrows
29353

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, 7, 29, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 29 x 353 = 286,636

This can also be written as 22 x 71 x 291 x 3531 = 286,636

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


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