Q: What are the prime factors of the number 921,632?

 A: 2, 83, 347

Why are those the prime factors of the number 921,632?

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 921,632

921,632
Factor Arrows
2460,816
Factor Arrows
2230,408
Factor Arrows
2115,204
Factor Arrows
257,602
Factor Arrows
228,801
Factor Arrows
83347

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, 83, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 83 x 347 = 921,632

This can also be written as 25 x 831 x 3471 = 921,632

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


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