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I am a prime number less than 10 if you add 10 or 20 to me the result is a prime number what number am I

User WIlfinity
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2 Answers

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You are 23 or 13 because 3 is less than 10 and if you add 10 to 3 =13 and 3+20 =23 which are both prim numbers.
User Manish Balodia
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Could be 7 because if you add 10 it is 17 and if you add 20 it is 27
User Dexiang
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