Q: What are the prime factors of the number 897,891?

 A: 3, 191, 1567

Why are those the prime factors of the number 897,891?

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 897,891

897,891
Factor Arrows
3299,297
Factor Arrows
1911,567

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:

3, 191, 1567

We can check our work by multiplying all of the prime factors together: 3 x 191 x 1,567 = 897,891

This can also be written as 31 x 1911 x 1,5671 = 897,891

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


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