answersLogoWhite

0

Why must mersenne numbers be odd?

Updated: 8/18/2019
User Avatar

Wiki User

12y ago

Best Answer

All Mersenne primes are one less than some multiple of two. Any multiple of two is even, so any multiple one less than a multiple of two must be odd.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why must mersenne numbers be odd?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Are there more mersenne primes known as there are perfect numbers?

There is a one-to-one relationship between even perfect numbers and Mersenne primes. It is unknown whether there are any odd perfect numbers.


Why are mersenne numbers always odd?

A Mersenne number is one less than a positive power of two. Since the positive power of two is always even, one less than that is always odd.


Who discovered Mersenne numbers?

Mersenne numbers are named after the French monk Marin Mersenne who studied them in the early 17th century.


How do you distribute 30 in to 5 odd numbers?

You cannot. The sum of 5 odd numbers must be odd. 30 is not odd.You cannot. The sum of 5 odd numbers must be odd. 30 is not odd.You cannot. The sum of 5 odd numbers must be odd. 30 is not odd.You cannot. The sum of 5 odd numbers must be odd. 30 is not odd.


What is the definition of Mersenne numbers?

A Mersenne number is a number of the form 2n-1. When this number is prime, it is known as a Mersenne prime.A Mersenne prime has the form 2n-1. For 2n-1 to be prime, n must also be prime. Examples are the Mersenne prime 7 (23 - 1 = 7) and the Mersenne prime 127 (27 - 1 = 127)


How are odd and even numbers are related to their factors?

Even numbers must have 2 amongst their factors; they may have other even numbers amongst their factors. Odd numbers must not; every factor of an odd number must be odd.


What are the first 4 mersenne prime numbers?

The first four Mersenne prime numbers are 2, 3, 5, and 7.


What is special about a Mersenne prime?

A Mersenne prime has the form 2n-1. For 2n-1 to be prime, n must also be prime. Perfect numbers have the form 2n-1(2n-1) where 2n-1 is a Mersenne prime, so when a new Mersenne prime is discovered, another perfect number is also found.


What are Mersenne Primes used for?

Mersenne primes are mostly of interest as mathematical curios. A Mersenne prime has the form 2n-1. For 2n-1 to be prime, n must also be prime. Perfect numbers have the form 2n-1(2n-1) where 2n-1 is a Mersenne prime, so when a new Mersenne prime is discovered, another perfect number is also found.


What five odd numbers add up to 100?

No 5 odd numbers add up to 100. The sum of any two odd numbers is even. The sum of any two even numbers is even. So the sum of any 4 odd numbers must be even. Take that and add an odd number and the sum must be odd. Therefore, the sum of any 5 odd numbers must be odd. 100 is even. In conclusion: The sum of any odd number of odd numbers is odd.


How do you split 26 into 5 odd numbers?

You cannot. The sum of 5 odd numbers must be odd.


What is a mersume prime number?

Let p = any prime number. (2p -1) is called a Mersenne number. Any such number that is prime is called a Mersenne Prime. Father Mersenne wrote a list of numbers of this type which he thought were prime, but a few were not. In fact, most of the large Mersenne numbers are not prime, but all the really large numbers that have been proved to be prime are Mersenne Primes.