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Which number has 2 digits, it is prime and it is 2 more than a square number?

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Which number has 2 digits, it is prime and it is 2 more than a square number?
posted May 7, 2018 by anonymous

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1 Answer

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11 and 83
We consider square numbers added by 2 which will give us 2 digit number, which should be odd numbers to be prime
it gives us option of 3^2, 5^2, 7^2 and 9^2
we get 11, 27, 51 and 83 and only two of them are prime numbers: 11 & 83

answer Jun 22, 2018 by Hanifa Mammadov



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