Divisibility by 12, Shortcuts, Tips, Funny Math

Divisibility by 12

Here we have mentioned few shortcuts/tips to find out the number is divisible by 12.

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Divisibility by 12

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Divisibility by 12:
How to check a number is divisible by 12?
It is very simple, check the number is divisible by 3 and 4, if it is divisible by both, then clearly the number is divisible by 12.

Examples:
Is the number 59175432 divisible by 12?
First check the number is divisible by 3,
5 + 9 + 1 + 7 + 5 + 4 + 3 + 2 = 36
36 is divisible by 3, so the number is also divisible by 3.
Then check the number is divisible by 4 also,
The last two digit of the number is 32.
32 is divisible by 4, so the number is also divisible by 4.
The number 59175432 is divisible both by 3 and 4, so it is divisible by 12.

Is the number 39737094 divisible by 12?
3 + 9 + 7 + 3 + 7 + 0 + 9 + 4 = 42.
42 is divisible by 3, so the number is also divisible by 3.
Now check the number is divisible by 4 also,
The last two digit of the number is 94.
94 is not divisible by 4, so the number is not divisible by 4
The number 39737094 is divisible only by 3 and not by 4, so it is not divisible by 12.

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This is a funny tricky play of maths. Checking Divisibility by 12 is made easier from the above shortcuts/tips. Enjoy it with Fun!