answersLogoWhite

0


Best Answer

2 + 3 = 5

Two plus any odd Prime number is odd.

User Avatar

Wiki User

9y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the counterexample of the sum of 2 different prime numbers is even?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What number would be a counterexample to the following conjecture Prime numbers are odd?

2 would be a counterexample to the conjecture that prime numbers are odd. 2 is a prime number but it is the only even prime number.


What is a counterexample for the sentence All even numbers are composite numbers?

The number 2, which is a prime number. Any larger even number is a multiple of 2, and therefore not a prime number.


What's a counterexample to the statement that all odd numbers can be expressed as the sum of two primes?

There is a simple counterexample: the number 1:1 is an odd numberthe first prime is 2 (not 1, see below) which is bigger than 1 so 1 cannot possibly be the sum of two primes.There are plenty of other counterexamples:The sum of two odd numbers is even;All prime numbers except 2 are odd;When adding two prime numbers together, to get an odd result one of them must be even, namely 2;So any odd number that is 2 more than a composite number will not be expressible as the sum of two primes. examples: 11, 17, 23, 27, 29, 35, 37, ...Another counterexample is the number 3:3 is an odd number3 can only be made by 2 + 11 is not a prime (see below)A prime number is a number that has exactly 2 distinct (different) factors.The number 1 has only 1 distinct factor (the number 1) and so is not a prime number; the first prime number is 2.


What is the prime number factorization of all even numbers?

Every member of that infinite list is different.


What are the different types of numbers?

irrational numbers odd numbers even numbers whole numbers prime numbers composite numbers counting numbers


What numbers are prime but also even?

There are no other prime numbers that are even but 2.


What arethe even numbers fron 4 to 100a prime a prime?

There are no even prime numbers in that range.


Are all prime numbers even and odd?

No, prime numbers are the numbers that can be divisible by itself. The only even prime number is 2.


What are prime numbers from 30 to 50 that are even?

There aren't any. 2 is the only even prime number, so no other even numbers can be prime. There can be no even numbers between 30 and 50 that are prime.


Why are all the prime numbers are odd numbers?

All prime numbers are not odd numbers. 2 is an even prime number, and it is the only even prime number because all other even numbers have 2 as one of their factors.


What are even numbers that are also prime numbers?

The only even prime number is 2.


What are the prime and even numbers?

The only even number that is prime is 2. No other even numbers can be prime because 2 is a factor of them. Prime numbers can have only two factors: 1 and itself.