Q: What are the prime factors of the number 286,972?

 A: 2, 7, 37, 277

Why are those the prime factors of the number 286,972?

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 286,972

286,972
Factor Arrows
2143,486
Factor Arrows
271,743
Factor Arrows
710,249
Factor Arrows
37277

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, 37, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 37 x 277 = 286,972

This can also be written as 22 x 71 x 371 x 2771 = 286,972

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


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