No, 11 is itself a prime so no Prime number can be a proper factor of 11.
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3 and 11
11 is a prime number, so the factors are 1 and 11
Unless they are 2 and 3 or 2 and 5 or 2 and 11 or (This can go on...)
3 and 11
2, 3, and 5 are the prime numbers that go into 30.