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Winnie wrote the following riddle: My ones digit is two less than my tens digit. I am a prime number.
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Winnie wrote the following riddle: My ones digit is two less than my tens digit. I am a prime number.

User Saric
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1 Answer

4 votes
31

ones digit is two less
3 - 2 = 1

31 is a prime number

hope this helps
User Slavisa Perisic
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