Q: What are the prime factors of the number 823,284?

 A: 2, 3, 7, 11

Why are those the prime factors of the number 823,284?

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 823,284

823,284
Factor Arrows
2411,642
Factor Arrows
2205,821
Factor Arrows
368,607
Factor Arrows
322,869
Factor Arrows
37,623
Factor Arrows
32,541
Factor Arrows
3847
Factor Arrows
7121
Factor Arrows
1111

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, 7, 11

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 7 x 11 x 11 = 823,284

This can also be written as 22 x 35 x 71 x 112 = 823,284

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


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