Divisibility test of numbers
Divisible by 1:- Any number is divisible by 1.
Example:- 1, 2, 5, 8, -2, 0,.....etc.
Divisible by 2:- Any number is said to be divisible by 2 when the digit of the unit’s place of that number is 2 or the multiple of two.
Example:- 332, 4454. 8906,....etc.
Divisible by 3:- Any number is said to be divisible by 3 when the sum of the digits of that number is a multiple of 3.
Example:- 45, 33, 5556711, …..etc.Divisible by 4:- A number is said to be divisible by 4 when the number formed by the last digits of that number is divisible by 4.
Example:- 544, 532, 777788, 9924,..etc.
Divisible by 5:- A number is said to be divisible by 5 when the unit’s place digit of that number is either 0 or 5.
Example:- 4455, 670,67785,....etc.
Divisible by 6:- A number is said to be divisible by 6 when that number is divisible by both 2 and 3.
Example:- 42, 36, 78, 9912,... etc.
Divisible by 7:- A number is said to be divisible by 7 when the difference between the twice of the digit at unit’s place and the number formed by other digits is either zero or multiple of 7.
Example:- 882, 714, 875,...etc.
Divisible by 8:- A number is said to be divisible by 8 when the number formed by the last three digits of that number is divisible by 8 or multiple of 8.
Example:- 9088, 2344, 9672,...etc.
Divisible by 9:- A number is said to be divisible by 9 when the sum of that number is divisible by 9 or multiple of 9.
Example:- 675, 9378, 3024,....etc.
Divisible by 10:- A number is said to be divisible by 10 when its unit’s place digit is 0.
Example:- 670,77780, 330, 6700 etc.
Divisible by 11:- A number is said to be divisible by 11 when the sum of the digits at odd places and even places are equal or differ by a number which is divisible by 11 or multiple of 11.
Example:- 121, 1232, 1287, 583,....etc.
Divisible by 12:- A number is said to be divisible by 12 when the number is divisible by the number 3 and 4 both.
Example:- 144, 132, 1440,...etc.
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