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Can a power of 2 and a prime number add to a power of two under 10?
Wiki User
∙ 14y ago
All powers of 2 are even nimbers.
No prime numbers besides 2 are even.
So only 2 + 2 <10, this is the only case of 2 + a prime number =a power of 2
Wiki User
∙ 14y ago
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What three numbers add up to a prime number?
if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23
What is a prime number that has digits that add to the smallest prime number?
It is: 11 because 1+1 = 2 which is the smallest prime number
If you add a prime number to itself is the sum prime or composite?
Composite.
If you add a prime number to itself is the sum composite or prime?
Composite.
If you add two prime numbers together what do you get?
You can get another prime (only if one of the numbers added is 2), for example, 101 + 2 = 103. If you add together two odd prime numbers, you will get an even number, which will not be a prime number. (An even number is a number that is divisible by 2; if such a number is greater than 2, it is not a prime number.)
Are prime numbers closed under addition?
no, not all prime numbers are closed under addition. why? because, when you add 2 prime numbers you will not always get a prime number. example: 5+3= 8 5 and 3 are prime numbers but their sum is 8 which is a composite number..
What three numbers add up to a prime number?
if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23
To what prime number can you add 3 and get a sum that is a prime number?
2. 2 + 3 = 5 Or if you mean like add 3 to the prime number, then add that to the prime? 2 still works!! 2: 2 + 3 = 5. 5 + 2 = 7
What 2 prime numbers add together to make 91?
Two is the only even prime number. When you add an odd number to another odd number, you get an even number. When you add an even number to an odd number, you get an odd number. 91 is an odd number, therefore the answer is 2 and 89.
What is a prime number that has digits that add to the smallest prime number?
It is: 11 because 1+1 = 2 which is the smallest prime number
If you add a prime number to itself is the sum prime or composite?
Composite.
If you add a prime number to itself is the sum composite or prime?
Composite.
What is the number when you add or multiply by itself you get the same number?
Prime number
I am a prime number less than 10 if you add 10 or 20 the result is a prime number what number am i?
7
If you add two prime numbers together what do you get?
You can get another prime (only if one of the numbers added is 2), for example, 101 + 2 = 103. If you add together two odd prime numbers, you will get an even number, which will not be a prime number. (An even number is a number that is divisible by 2; if such a number is greater than 2, it is not a prime number.)
What prime number multiplied by another prime number add up to 91?
7 x 13
What is a prime number less than 10 and if you add 10 or 20 to it the result is a prime number?
3
