Divisibility by 12: a number divisible by 12 if the number is divisible by 4 and 3
Divisibility by 13:A number is divisible by 13 if its unit;s place digit is multiplied by 4 and added to the remaining digits and the number obtained is divisible by 13.
Divisibility by 3: A number is divisible by 3 if the sum of its digits are divisible by 3
Divisibility by 4: A number is divisible by 4 if the last two digits are divisible by 4 or if the last two digits are 0
Divisibility by 15: A number is divisible by 15 if the number is divisible by both 3 and 5.
Divisibility by 14:A number is divisible by 14 if the number is divisible by both 2 and 7.
Divisibility by 2: A number is divisible by 2 if its unit's digit is even or 0.
Divisibility by 7:A number is divisible by 7 if unit's place digit is multiplied by 2 and subtracted from the remaining digits and the number obtained is divisible by 7
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Divisibility by 13:A number is divisible by 13 if its unit;s place digit is multiplied by 4 and added to the remaining digits and the number obtained is divisible by 13.
Divisibility by 3: A number is divisible by 3 if the sum of its digits are divisible by 3
Divisibility by 4: A number is divisible by 4 if the last two digits are divisible by 4 or if the last two digits are 0
Divisibility by 15: A number is divisible by 15 if the number is divisible by both 3 and 5.
Divisibility by 14:A number is divisible by 14 if the number is divisible by both 2 and 7.
Divisibility by 2: A number is divisible by 2 if its unit's digit is even or 0.
Divisibility by 7:A number is divisible by 7 if unit's place digit is multiplied by 2 and subtracted from the remaining digits and the number obtained is divisible by 7
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