There are none because 89 is a Prime number
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They are 24 and 15 which are composite numbers
All of them except for 83 and 89 which are prime numbers
both are prime numbers as they are divisible by 1 and by itself.
All of them except 79, 83 and 89 which are prime numbers.
All of them except 83, 89 and 97 which are prime numbers