Is 1 a Factor of 8?

In this article we are going to check whether 1 is a factor of 8 and explain the two easiest methods to calculate this for yourself.

What we can do is list out all of the factors of 8 and then check the resulting list to see if 1 is one of those numbers. Here are all the factors of 8:

  • 1
  • 2
  • 4
  • 8

We can also list the factors of 8 into a comma separated list as well:

1, 2, 4, and 8

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 8.

This means, 1 is a factor of 8.

We can also check whether 1 is a factor of 8 by simplying dividing 8 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 8.

If the result is a fractional number, then we know that 1 is not a factor of 8.

8 divided by 1 is 8 which is a whole number. This confirms our answer from the factor list method above that 1 is a factor of 8.

Hopefully this has not only answered the question "is 1 a factor of 8?", 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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