How well do you know about primes?
Number Theory
Level
pending
Which one of the following is a prime number?
-2
Both -2 & -3
-3
None of the above
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1 solution
Prime no.s have only 2 factors that is 1 and itself. Negative numbers can never be prime. For example, -2 has 4 factors which are -2, 2, 1,-1. Thus its not a prime number. Hence the correct option is "None".