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No. 47 is a prime number and is only divisible by 1 and itself.
899 is divisible by 31, therefore not a prime number, if you were wondering!
1692 is divisible by every non-zero number. Its prime factors are 2, 3 and 47.
As 47 is a prime number, the only possible factors are 1 and 47. 2728 is not divisible by 47, so the only common factor is 1.
1, 7, 47, 329