Which of the following is a prime number?

Practice Questions

Q1
Which of the following is a prime number?
  1. 4
  2. 6
  3. 9
  4. 11

Questions & Step-by-Step Solutions

Which of the following is a prime number?
Correct Answer: 11
  • Step 1: Understand what a prime number is. A prime number is a number greater than 1 that has no divisors other than 1 and itself.
  • Step 2: Look at the number 11. We need to check if it has any divisors other than 1 and 11.
  • Step 3: The only numbers that can divide 11 evenly are 1 and 11. There are no other numbers that can divide it without leaving a remainder.
  • Step 4: Since 11 has no divisors other than 1 and itself, we can conclude that 11 is a prime number.
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