Question

the number 1111112 is exactly divisible by ​

Answer 1

The number 1111112 is exactly divisible by 2, 4 and 8.

Tips:

1. If a number ends with one of 0, 2, 4, 6 and 8, the number is exactly divisible by 2.
2. If the number formed by the last two digits of a number is divisible by 4, then the number is exactly divisible by 4.
3. If the number formed by the last three digits of a number is divisible by 8, then the number is exactly divisible by 8.

Step-by-step explanation:

The given number is 1111112.

• Since the last digit of 1111112 is 2, this number is exactly divisible by 2.

• The last two digits are 1 and 2. The number formed, is 12. Since 12 is divisible by 4 [3 × 4 = 12], the number is also divisible by 4.

• The last three digits are 1, 1 and 2. The number formed, is 112. Since 112 is divisible by 8 [14 × 8 = 112], the number is also divisible by 8.

Thus 1111112 is exactly divisible by 2, 4 and 8.

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Answer 2

In this question we have to find out the number or numbers by which 1111112 is exactly  divisible.

We know that:-

1.   when a number ends with  0, 2, 4, 6 or 8, that number will be  exactly divisible by 2.
2.  when a number is formed by the last two digits of a number is divisible by 4, that number is exactly divisible by 4.
3. when a number is formed by the last three digits of a number is divisible by 8, that number will be exactly divisible by 8.

Let's see by which number 1111112 will be exactly divisible:-

•  Here we can noticed that the last digit of 1111112 is 2, for this reason the number will be exactly divisible by 2.

•  1 and 2 are the last two digits of the given number. As 12 is divisible by 4 ,the number is also divisible by 4.

•  The last three digits are 1, 1 and 2. 112 is divisible by 8, hence the number is also divisible by 8.

Therefore we get an idea that 1111112 is exactly divisible by 2, 4 and 8.

Ans :-  1111112 is exactly divisible by 2, 4 and 8.

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