Finding the Factors of number 21
Factoring Calculator will help you find the factors 21 i.e. 1, 3, 7, 21 the numbers that when divided results in a whole number and a zero remainder.
Factors of 21 are 1, 3, 7, 21. There are 4 integers that are factors of 21. The biggest factor of 21 is 21.
Ex: 3844 or 5680 or 9240
Factor Tree of 21 to Calculate the Factors
| 21 | |||||||||
| 3 | 7 | ||||||||
Factors of 21 are 1, 3, 7, 21. There are 4 integers that are factors of 21. The biggest factor of 21 is 21.
Positive integers that divides 21 without a remainder are listed below.
Factors of 21 List
- 1
- 3
- 7
- 21
Factors of 21 in pairs
- 1 × 21 = 21
- 3 × 7 = 21
- 7 × 3 = 21
- 21 × 1 = 21
Factors of 21 Table
| Factor | Factor Number |
|---|---|
| 1 | one |
| 3 | three |
| 7 | seven |
| 21 | twenty one |
How to find Factors of 21?
As we know factors of 21 are all the numbers that can exactly divide the number 21 simply divide 21 by all the numbers up to 21 to see the ones that result in zero remainders. Numbers that divide without remainder are factors and in this case below are the factors
1, 3, 7, 21 are the factors and all of them can exactly divide number 21.
Related Greatest Common Factors of 21
Frequently Asked Questions on Factors of 21
1. How to find factors of number 21?
Check for the numbers that evenly divide the number 21 and leave a remainder zero.
2. What are the factors of 21?
Factors of 21 are 1, 3, 7, 21.
3. How do you factor 21 on a calculator?
All you have to do is provide the input value 21 and tap on the enter button next to the input field to obtain the factors.
