The probability of mistake in a program is not the same as the probability of being wrong about 1159 being a composite. At high reliability level, you factor the number, then you multiply up the factors, and check that as well.
The probability of mistake in a program is not the same as the probability of being wrong about 1159 being a composite. At high reliability level, you factor the number, then you multiply up the factors, and check that as well.