A problem by Anirudha Nayak

Level pending

A is a number which is odd and prime. but if you take one letter away i would become even. B Is a prime number ( two digit of the form mn), if we consider mmn it is also a prime number , again mmmn is also a prime number also mmmmn is a prime number and so on, but mmmmmmmmn is not a prime. FIND A+B

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