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Write a C program to find the sum of all prime numbers?
Since there is an infinite set of prime numbers the answer would be infinity.
How do you find prime and composite numbers?
By factoring them. Prime numbers have only two factors. Composite numbers have three or more.
What is the median for first 20 prime numbers?
The median for the first 20 prime numbers would be 30. This is because the middle two numbers of the first 20 prime numbers are 29 and 31. To find the median from this, we need to find the average of these two numbers. This is 30.
What is the sum of three different prime numbers is 40?
In order to find three different prime numbers that sum up to 40, we need to identify the possible combinations. The only prime number that is even is 2, so one of the prime numbers must be 2. The other two prime numbers that add up to 38 can be 19 and 17. Therefore, the sum of the three different prime numbers that add up to 40 is 2 + 19 + 17 = 38.
Find two prime numbers whose sum of 10 and whose product is 21?
Three and Seven
