Multiple choice general knowledge math & puzzles

This kind of number is divisible by only one and itself. The first few examples are 2, 3, 5, 7, and 11.

  1. Rational

  2. Prime

  3. Mersenne

  4. Natural

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

Prime numbers are defined as numbers greater than 1 that are divisible only by 1 and themselves. The examples given (2, 3, 5, 7, 11) are all prime numbers as they each have exactly two factors.