Q: What are the prime factors of the number 862,004?

 A: 2, 11, 13, 137

Why are those the prime factors of the number 862,004?

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 862,004

862,004
Factor Arrows
2431,002
Factor Arrows
2215,501
Factor Arrows
1119,591
Factor Arrows
111,781
Factor Arrows
13137

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, 11, 13, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 11 x 13 x 137 = 862,004

This can also be written as 22 x 112 x 131 x 1371 = 862,004

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


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