Question

which even number is not a composite number? 4 8 2 6

Explanation:

Step1: Define composite numbers

Composite numbers are positive integers greater than 1 that have more than two positive divisors (1 and themselves).

Step2: Analyze each option

• 4: Divisors are 1, 2, 4 → composite
• 8: Divisors are 1, 2, 4, 8 → composite
• 2: Divisors are 1, 2 → prime (not composite)
• 6: Divisors are 1, 2, 3, 6 → composite

Answer:

C. 2