Q: What are the prime factors of the number 868,991?

 A: 137, 6343

Why are those the prime factors of the number 868,991?

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 868,991

868,991
Factor Arrows
1376,343

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:

137, 6343

We can check our work by multiplying all of the prime factors together: 137 x 6,343 = 868,991

This can also be written as 1371 x 6,3431 = 868,991

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


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