CAT 1995 | Question: 73

Question

Choose the correct option:

The remainder obtained when a prime number greater than $6$ is divided by $6$ is:

• A. 1 or 3
• B. 1 or 5
• C. 3 or 5
• D. 4 or 5

Answer 1

Every prime number greater than 6 can be expressed as

$6k \pm 1, k > 0$

So, the remainder is 1 or 5.