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What prime number less than 20 can be written as a sum of differrent primes?
Wiki User
∙ 7y ago
2 + 3 = 5
Wiki User
∙ 7y ago
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How many of the prime numbers between 10 and 20 can be written as the sum of two primes?
All prime numbers greater than 2 are odd numbers. For an odd prime to be written as the sum of two primes, one of the primes must be 2 because two odd primes will produce an even sum. 11 cannot be written as the sum of two primes. 13 = 2 + 11. 17 cannot be written as the sum of two primes. 19 = 2 + 17.
What is the product of primes for 59?
59 is a prime number.
What is the greatest prime number to test if 6330 is a prime number?
Divide it with primes less than half of the number.
List all prime numbers?
Euclid proved there are infinite. He said that if there were a finite number of primes, if you multiply all the primes together and then add 1, the result will be a prime. Thus, there are infinite primes.
What is the smallest prime number that is the sum of two primes?
5
How do you write 770 as a prime number?
770 is not prime; however, it can be written as a productof primes:770 = 2*5*7*11.
What are primes of 743?
743 is a prime number.
Is 887 a prime number?
Yes, 887 is a prime number. Recall that if a number is not prime then there exists a prime less than the square root of the number and this prime divides the number. So we need to check if the primes less than 30 divides 887 or not. These primes are 2,3,5,7,11,13,17,19,23,29.
What category of primes is the largest prime?
Mersenne prime is the largest known prime number
How many of the prime numbers between 10 and 20 can be written as the sum of two primes?
All prime numbers greater than 2 are odd numbers. For an odd prime to be written as the sum of two primes, one of the primes must be 2 because two odd primes will produce an even sum. 11 cannot be written as the sum of two primes. 13 = 2 + 11. 17 cannot be written as the sum of two primes. 19 = 2 + 17.
Express 46 and 38 as the sum of two odd primes?
To express the numbers 46 and 38 as the sum of two odd primes, you can use the following combinations: For 46: 46 = 43 (a prime number) + 3 (a prime number) 46 = 41 (a prime number) + 5 (a prime number) For 38: 38 = 37 (a prime number) + 1 (a prime number) 38 = 31 (a prime number) + 7 (a prime number) So, 46 can be expressed as the sum of two odd primes in two ways, and 38 can also be expressed as the sum of two odd primes in two ways.
What is the product of primes for 59?
59 is a prime number.
What is a pair of twin prime?
A twin prime pair are two primes separated by 2. For example, 3 and 5 are twin primes. It is conjectured that there are an infinite number of twin primes.
What are the largest three digit prime number whose digits are all primes?
The largest three digit prime number whose digits are all primes is 773.
Can an even number greater than 4 be written as the sum of two prime numbers if you use 2 as one of the primes?
No.
What is a twin prime pair?
A twin prime pair are two primes separated by 2. For example, 3 and 5 are twin primes. It is conjectured that there are an infinite number of twin primes.
What is the greatest prime number to test if 6330 is a prime number?
Divide it with primes less than half of the number.
