APFIVE Primality Function Logical Error
A programmer has written a function to determine if a number is prime. The function correctly identifies 2, 3, 5, and 7 as prime, but incorrectly says 9 is prime and 11 is not prime. Based on these test results, what is the most likely error in the algorithm’s logic?
A
The function rejects all numbers above 7 regardless of tests.
B
It returns true if a number is not divisible by 2 or 3 only.
C
It does not check divisibility by all possible numbers up to the square root.
D
Only odd divisors greater than 3 are skipped by the function.
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