Can you solve this seemingly easy question?

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Find the smallest 4-digit integer which leaves a non-zero remainder when divided by any of 2,3,4,5, or 6 but not when divided by 7.


The answer is 1001.

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1 solution

the smallest 4-digit no. is 1000. So we know that when our answer is divided by 7, it leaves a remainder 0. So smallest 4-digit no. that is divisible by 7 is 1001 and co-incidentally it fulfills other conditions as well..

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