Q: What are the prime factors of the number 887,436?

 A: 2, 3, 11, 83

Why are those the prime factors of the number 887,436?

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 887,436

887,436
Factor Arrows
2443,718
Factor Arrows
2221,859
Factor Arrows
373,953
Factor Arrows
324,651
Factor Arrows
38,217
Factor Arrows
32,739
Factor Arrows
3913
Factor Arrows
1183

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, 83

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 11 x 83 = 887,436

This can also be written as 22 x 35 x 111 x 831 = 887,436

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


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