# Is 1 a Factor of 191?

In this article we are going to check whether 1 is a factor of 191 and explain the two easiest methods to calculate this for yourself.

What we can do is list out all of the factors of 191 and then check the resulting list to see if 1 is one of those numbers. Here are all the factors of 191:

- 1
- 191

We can also list the factors of 191 into a comma separated list as well:

**1 and 191**

We are checking to see if the number 1 is in this list and we can clearly see that it is in the list of factors for 191.

This means, **1 is a factor of 191.**

We can also check whether 1 is a factor of 191 by simplying dividing 191 by 1 to see if the quotient (the resulting answer) is a whole or a fractional number.

If the result is a whole number, then we know that 1 is a factor of 191.

If the result is a fractional number, then we know that 1 is not a factor of 191.

191 divided by 1 is 191 which is a whole number. This confirms our answer from the factor list method above that 1 is a factor of 191.

Hopefully this has not only answered the question "is 1 a factor of 191?", but also explained the methods for working this out for yourself.

Challenge yourself to try and calculate whether one number is a factor of another using both of the methods above to practice your new understanding of factors.

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