When someone asks if 21 is divisible by anything, they usually refer to the whole numbers that can divide 21 without producing a remainder. All whole numbers can be divided by at least two numbers, which are one and the number itself (21) without remainders. This tutorial will guide you on how to find if 21 is divisible by anything.
How to find if 21 is divisible by anything
Step 1: Divide 21 by all whole numbers less than or equal to 21
Step 2: List all Quotients that are whole numbers. If a number produces a remainder, then we need to ignore it.
Tip: In Math’s, Quotient is the result of dividing one number by another
21 is divisible by:
1, 3, 7, 21
21 is divisible by 4 Numbers
The above numbers are also known as the factors or divisors of 21. This means that all they can fit evenly in 21 without a remainder
Frequently asked Questions
1. Is 21 divisible by any number?
Yes, 21 is divisible by the following numbers
1, 3, 7, 21
2. What are the factors of 21?
1, 3, 7, 21
3. What are the prime factors of 21?
3 X 7
4. How many divisors does 21 have?
4
5. What is the sum of divisors of 21?
32