2 to the power of 2 is NOT the second Mersenne number. The second Mersenne number is 3, derived from the Mersenne algorithm 22 - 1 = 3.
The smallest Mersenne number is 2.
The 7th Mersenne prime is equal to 2^19-1
1992 is not a Mersenne prime. 1992 is a composite number, being a multiple of 2.
Did you mean what Mersenne numbers are prime? If a number is a prime, how is it not a prime at the same time? Anyways, M11, or (2^11) - 1, I think is the lowest Mersenne Number Mp that isn't prime, when p is prime. Any Mersenne Number where p is not prime cannot be prime.
1 is not a Mersenne prime because 21 - 1 = 2 - 1 = 1 and 1 is not a prime number.
Two is a Mersenne prime because it follows the algorithm 2n - 1 to produce the prime number 3 (22 - 1 = 4 -1 = 3).* * * * *Mersenne primes can be defined in two equivalent ways:Numbers of the form 2n - 1 where n is a primeor where the number 2n - 1 is itself a prime.The more commonly accepted definition is the second one. Thus n = 2 gives the smallest Mersenne prime, which is 3.But, since n = 2 gives a result that is prime, it is also sometimes referred to as a Mersenne prime.
2 is the lowest Mersenne prime.
Is basically doubling the number. For example 2 to the second power is 4.
According to Mersenne 2n - 1 is a prime number(where n is also a prime number).As we all know the first prime number is 2 so putting the value of 2 in Mersenne's expression we get 22 - 1 = 3. So, 3 is the first Mersenne prime.Mersenne expression was considered as a method of finding primes. But it didn't always give prime number. Let us consider an example:Putting n = 11 in the expression we get 211 - 1 = 2047, but 2047 is not a prime number.Visit the below related link to know more.
-3^2 = 9 -(3^2) = -9
199 is not a Mersenne prime because it does not fit the algorithm 2n - 1. 2199 - 1 = does not produce a prime number. The Mersenne primes below 200 are 2, 3, 5, 7, 13, 17, 19, 31, 61, 89, 107, and 127.
The first four Mersenne primes are 2, 3, 5, and 7.