Q: What are the prime factors of the number 882,090?

 A: 2, 3, 5, 11

Why are those the prime factors of the number 882,090?

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 882,090

882,090
Factor Arrows
2441,045
Factor Arrows
3147,015
Factor Arrows
349,005
Factor Arrows
316,335
Factor Arrows
35,445
Factor Arrows
31,815
Factor Arrows
3605
Factor Arrows
5121
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, 5, 11

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 11 x 11 = 882,090

This can also be written as 21 x 36 x 51 x 112 = 882,090

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


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