Multiple choice general knowledge math & puzzles

Prime Number: A number which is divisible only by 1 and itself is called as prime number. 18 is a prime Number.

  1. True

  2. False

  3. NA

  4. Unknown

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A prime number is divisible only by 1 and itself. 18 is divisible by 1, 2, 3, 6, 9, and 18, so it has multiple divisors and is not prime.