Neither 39 nor 27272 is prime. 39 can be divided by 3 and 27272 can be divided by 2. They both have at least one factor besides 1 and the number themselves. They are composite.
The digit in 39 that is prime is 3.
The digit in 27272 that is prime is 7.
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39 is not a prime number.
13 is a prime number and 39 isint a prime number
Of 23 and 39, only 23 is a prime number.
39 is prime because no number can go into it.
39 is composite