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Does reversing the order of digits of a 2 digit prime number always result in a prime number
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Does reversing the order of digits of a 2 digit prime number always result in a prime number

User Esteban Araya
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5 votes
no
for example:

29 if you switch the digits it becomes 92 and 92 is composite because 2x46=92



User Matheus Rocha
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No, for example, if you had the prime number 23, and you switched the numbers around, it is 32. 32 is not a prime number.
User Doris Liu
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