Which of the following is a prime number? (a) 6 (b) 7

7 is a prime number, making it the true champion in this contest! A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. While 6 can be broken down into 2 and 3, 7 stands alone, proudly waving the prime banner. In the wild world of math, prime numbers are like the superheroes of integers! They play a crucial role in various fields, especially in cryptography, where they help keep our online information safe. So the next time you think of primes, remember they aren't just numbers; they're essential players in securing your digital life!