It doesn't have to be a Prime number and an even number. The sum of any two whole numbers is a whole number.
Also, the sum of two even numbers is an even number, the sum of two odd numbers is an even number, and the sum of an odd number and an even number is an odd number.
2, and any other prime number (not 2).
5.
Mersenne prime is a kind of number - a prime. Being a number, it was not capable of discovering anything
Euclid
since it is an even number that makes it a multiple of 2. so that makes it a prime number
since it is an even number that makes it a multiple of 2. so that makes it a prime number
since it is an even number that makes it a multiple of 2. so that makes it a prime number
2 can be added to 5: 2+5 = 7
we probably haven't discovered the "largest" prime number... but the NEXT largest prime number after 79 is 83
No, you can apply any mathematical operation to a prime number.
Prime numbers are discovered, as they exist as part of number theory. As of April 2011, the largest known prime number is 243,112,609 − 1. This number was discovered in 2008 by Edson Smith, a systems administrator at UCLA.
To me seems any amount of 3 added befor 1 makes that number always remain prime needs a heavy discution for above subject to be proved.