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Question
How many prime numbers are there between 1 to 20?
How many prime numbers are there between 1 to 20?
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Solution
The correct option is D 8
Prime numbers are the numbers having only 2 factors, 1 and the number
itself.
So, the prime numbers between 1 to 20 are 2, 3, 5, 7, 11, 13, 17, 19.
There are 8 prime numbers between 1 to 20.
Prime numbers are the numbers having only 2 factors, 1 and the number
itself.
So, the prime numbers between 1 to 20 are 2, 3, 5, 7, 11, 13, 17, 19.
There are 8 prime numbers between 1 to 20.
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19
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