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Question

The prime number succeeding 21 is:


A

72

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B

73

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C

19

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D

29

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Solution

The correct option is B

73


Prime numbers are numbers which are divisible by one and itself.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 .... are prime numbers.

The prime number succeeding 21 is 23.


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