Problems based on Numbers Test 2

Question : 23 of 40

Marks: +1, -0

The expression

7^12 - 4^12

is exactly divisible by which of the following numbers?

Solution:

7^12 - 4^12

= 13841287209 -16777216

= 13824509985

Thus

7^12 - 4^12

is exactly divisible by 33.

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