What are all the factors, the prime factorization, and factor pairs of 1991?

To find the factors of 1991, divide 1991 by each number starting with 1 and working up to 1991

Now let us find how to calculate all the factors of 1991:
11
= 181
As you can see, the factors of 1991 are:
1, 11, 181, 1991

Factors of Numbers similar to 1991

Other conversions of the number 1991