Welcome to the Multiples of 81 page. Here we will first teach you everything you will ever need to know about the multiples of 81, and then give you a study guide summary of everything we taught you to make sure you remember it all. Use this page to look up facts and learn information about the multiples of 81. This page will make you a multiples of eighty-one expert!
Definition of Multiples of 81
Multiples of 81 are all the numbers that when divided by 81 equal an integer. Each of the multiples of 81 are called a multiple. A multiple of 81 is created by multiplying 81 by an integer.
Therefore, to create a list of multiples of 81, you start with 1 multiplied by 81, then 2 multiplied by 81, then 3 multiplied by 81, and so on for as long as you want. Thus, the list of the first five multiples of 81 is 81, 162, 243, 324, and 405. To see a larger list of multiples of 81, see the printable image of Multiples of 81 further down on this page. We also have a category where you can choose any nth multiple of 81.
Least Common Multiple of 81 and ...
A Least Common Multiple (LCM) is the lowest multiple that two or more numbers have in common. This is also called the smallest common multiple or lowest common multiple and is useful to know when you are adding our subtracting fractions. Enter one or more numbers below (81 is already entered) to find the LCM.
Check out our LCM Calculator if you need more details about the Least Common Multiple or if you need the LCM for different numbers for adding and subtraction fractions.
Multiples of 81 vs Factors of 81
81 is a multiple of 81 and a factor of 81, but that is where the similarities end. All postive multiples of 81 are 81 or greater than 81. All positive factors of 81 are 81 or less than 81.
Below is the beginning list of multiples of 81 and the factors of 81 so you can compare:
Multiples of 81: 81, 162, 243, 324, 405, etc.
Factors of 81: 1, 3, 9, 27, 81
As you can see, the multiples of 81 are all the numbers that you can divide by 81 to get a whole number. The factors of 81, on the other hand, are all the whole numbers that you can multiply by another whole number to get 81.
It's also interesting to note that if a number (x) is a factor of 81, then 81 will also be a multiple of that number (x).
Multiples of 81 vs Divisors of 81
The divisors of 81 are all the integers that 81 can be divided by evenly. Below is a list of the divisors of 81.
Divisors of 81: 1, 3, 9, 27, 81
The interesting thing to note here is that if you take any multiple of 81 and divide it by a divisor of 81, you will see that the quotient is an integer.
Multiples of 81 Table
Below is an image of the first 100 multiples of 81 in a table. The table is in chronological order, column by column. The first column has the first ten multiples of 81, the second column has the next ten multiples of 81, and so on.
The Multiples of 81 Table is also referred to as the 81 Times Table or Times Table of 81. You are welcome to print out our table for your studies.
Negative Multiples of 81
Although not often discussed or needed in math, it is worth mentioning that you can make a list of negative multiples of 81 by multiplying 81 by -1, then by -2, then by -3, and so on, to get the following list of negative multiples of 81:
-81, -162, -243, -324, -405, etc.
Multiples of 81 Summary
Below is a summary of important Multiples of 81 facts that we have discussed on this page. To retain the knowledge on this page, we recommend that you read through the summary and explain to yourself or a study partner why they hold true.
There are an infinite number of multiples of 81.
A multiple of 81 divided by 81 will equal a whole number.
81 divided by a factor of 81 equals a divisor of 81.
The nth multiple of 81 is n times 81.
The largest factor of 81 is equal to the first positive multiple of 81.
81 is a multiple of every factor of 81.
81 is a multiple of 81.
A multiple of 81 divided by a divisor of 81 equals an integer.
81 divided by a divisor of 81 equals a factor of 81.
Any integer times 81 will equal a multiple of 81.
Multiples of a Number
Here you can get the multiples of another number, all with the same attention to detail as we did for multiples of 81 on this page.
Multiples of 82
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