Q: What are the prime factors of the number 976,272?

 A: 2, 3, 11, 43

Why are those the prime factors of the number 976,272?

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 976,272

976,272
Factor Arrows
2488,136
Factor Arrows
2244,068
Factor Arrows
2122,034
Factor Arrows
261,017
Factor Arrows
320,339
Factor Arrows
111,849
Factor Arrows
4343

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, 11, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 43 x 43 = 976,272

This can also be written as 24 x 31 x 111 x 432 = 976,272

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


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