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Question

# Two consecutive integers m and n are prime numbers. Calculate mn.

A
1
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B
2
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C
6
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D
9
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E
15
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Solution

## The correct option is D 6Prime numbers are numbers which have only 2 positive divisors 1 and the number itself.Some of prime numbers are 2,3,5,7,11......Consecutive numbers are numbers one after another that is they have a difference of 1 between every two number.2 and 3 are such prime consecutive integer.Let m be 2 and n be 3.So mn=3×2=6

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