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Mirror primes are pairs of prime numbers whose digits are reversed.

(13,31)(17,71)(37,73)(79,97)

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Q: What is a mirror prime number and do both numbers have to be prime in the answer and what are the mirror primes from 1-100?
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How many prime numbers from 11 to 100 are there whose digits when interchanged give a prime number?

There are four pair of mirror primes.


How do you find twin primes of number?

To find twin primes of a given number, iterate through the numbers starting from the given number, and for each number, check if both the number and the number+2 are prime. If they are, then they form a pair of twin primes with the given number.


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Negative numbers are not considered primes. Prime numbers are defined for positive integers. The smalles prime number is 2. by Alexis Assad


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