95
A composite number has a factor in addition to 1 and itself, so it is not a Prime number. 11, 47, 89 and 97 are all prime numbers. 95 is divisible by 5 and 19 in addition to 1 and itself - so 95 is the composite.
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31 and 47 are prime, the rest composite.
All of them except for 31, 37, 41, 43 and 47 which are prime numbers.
141 is a composite numbers. Its factors are 1, 3, 47, and 141.
If you mean: 53 81 41 47 and 31 then 81 is a composite number while all the rest are prime numbers
27, 57 and 77 are composite.