BrainiacsHQ Logo

Other Multiples

  1. Home
  2. /
  3. Math
  4. /
  5. Multiples
  6. /
  7. Multiples Of 21

Multiples Of 21

Multiples Of 21
To find the multiples of 21, you need to multiply 21 by an integer. Integers encompass positive numbers, negative numbers, and zero, but they do not include fractions or decimal values. For example: 21 x 2 = 42.

What Are Multiples Of 21?

Multiples of the number 21 are those numbers that can be evenly divided by 21, meaning they leave no remainder when divided by 21, resulting in a natural number as the quotient. Essentially, a multiple of 21 is obtained by multiplying 21 by any natural number.

How To Get The Multiples Of 21?

To determine the multiples of 21, you can use two straightforward mathematical approaches: multiplication or repeated addition. The multiplication method involves multiplying 21 by a sequence of whole numbers. The repeated addition method entails adding 21 repeatedly to obtain the list of multiples of 21.
Let’s have a look.

How To Get The Multiples Of 21 Using The Multiplication Method

To get the multiples of 21 using the multiplication technique, just multiply 21 by a series of natural numbers. For example:
21 x 121
21 x 242
21 x 363
21 x 484
21 x 5105
21 x 6126
21 x 7147
21 x 8168
21 x 9189
21 x 10210
21 x 11231
21 x 12252
21 x 13273
21 x 14294
21 x 15315
21 x 16336
21 x 17357
21 x 18378
21 x 19399
21 x 20420

How To Get The Multiples Of 21 Using The Repeated Addition Method

To find the first 10 multiples of 21, start by adding 21 to 0 to get the first multiple, which is 21. Then, add 21 to 21 to get the second multiple, which is 42. Continue this process, adding 21 to the previous multiple each time. For example:
21 + 021
21 + 2142
21 + 4263
21 + 6384
21 + 84105
21 + 105126
21 + 126147
21 + 147168
21 + 168189
21 + 189210
21 + 210231
21 + 231252
21 + 252273
21 + 273294
21 + 294315
21 + 315336
21 + 336357
21 + 357378
21 + 378399
21 + 399420

Other Math Topics

Compiled by Janine & Jan

We’re Janine Swart and Jan Pretorius, the passionate duo behind this platform dedicated to satisfying your thirst for knowledge. Our curiosity knows no bounds, and we love diving into the intricate workings of numbers, systems, and the world around us.