The number 1 is not a prime number or a composite number. It is often referred to as a unit. The only even prime number is 2. All other even numbers can be divided by 2 Knowledge of prime numbers ...

You must have learnt about prime numbers in Class 4 or 5. Want to recall it? So, prime numbers are those numbers which are only divisible by 1 and themselves. They do not have any other factors ...

On December 26, J Pace, G Woltman, S Kurowski, A Blosser and their co-authors announced the discovery of a new prime number: 2⁷⁷²³²⁹¹⁷-1. It’s an excellent opportunity to take a small tour through the ...

A prime number is an integer, or whole number, that has only two factors — 1 and itself. Put another way, a prime number can be divided evenly only by 1 and by itself. Prime numbers also must be ...