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Is the sum of a prime number and a composite number always even?
No, the sum of a prime number and a composite number is not always even.
Is it possible to get a even number as the sum ofm three odd prime numbers?
The sum of three odd numbers will be odd, whether they are prime or not. The sum of three prime numbers can be even as long as one of them is 2.
Is the sum of two primes even?
Yes. all prime numbers are odd numbers so the sum of any two will be an even number.
Can 6 prime numbers be added and get a composite number?
Yes.The sum of any six prime numbers, excluding 2, will be even. So the sum will be composite.
Can the sum of two prime numbers be a prime number without the two?
Without using the number two, it is not possible to sum two prime numbers at get a prime number as a result. This is because all prime numbers (except for 2) are odd, and the sum of two odd numbers is always even. The only even prime number is 2. The only way to add two non-zero positive numbers to get 2 is 1+1, and 1 is not a prime number (since it only has one factor).
Is the sum of a prime number and a composite number always even?
No, the sum of a prime number and a composite number is not always even.
Who discovered when any even number added with a prime number makes a whole number?
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.
Is the sum of prime number and a composite number always even?
No.
What are the numbers as sum of 2 prime numbers?
The sum of two prime numbers greater than 2 is an even number. The sum of 2 and any other prime number is an odd number.
Which even prime numbers are the sum of 20?
There is only one prime number and it is '2' You cannot have any other even prime number
In how many ways can 47 be written as the sum of two prime numbers?
It cannot be. If 47 is the sum of two prime numbers, one must be an even number and one must be an odd number, because that is the only way to have a sum that is an odd number, such as 47. The only even prime number is 2. The number that with 2 will have a sum of 47 is 45. However, 45 is not a prime number. Therefore, there are not two prime numbers that have a sum of 47.
Even numbers with the sum of two prime numbers?
The sum of any pair of prime numbers greater than 2 is an even number.
Is it possible to get a even number as the sum ofm three odd prime numbers?
The sum of three odd numbers will be odd, whether they are prime or not. The sum of three prime numbers can be even as long as one of them is 2.
There are 25 prime numbers less than 100 is their sum even or odd?
The sum of the 25 primes less than 100 is even (it is 1060).The first prime number is 2. Every other prime number is odd.So, of the 25 primes less than 100, one is even and 24 are odd.Any two odd numbers sum to an even number. Therefore, an even number of odd numbers has an even sum. So the sum of 24 odd numbers is even.Therefore, the sum of the 25 primes less than 100 is even.
What 2 prime numbers whose sum is not a prime number?
Becouse every prime number (except 2) is odd, the sum of 2 prime numbers will always be even (and 2 is the only even prime). The exceptions are 11 and 2 for example; 11 = prime, 2 = prime and 13=prime.
What are even number that is the sum of two prime nos?
5 + 7 = 12
Is the sum of two primes even?
Yes. all prime numbers are odd numbers so the sum of any two will be an even number.
