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Earn +20 ptsQ: What is the sum of twin prime numbers from 20 to 50?
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Continue Learning about Math & Arithmetic
What is the sum of the odd prime numbers from 1-20?
It is 75.
What is the product of two prime numbers whose sum is twenty?
17 and 3 are two prime numbers whose sum is 20. Their product is 51.
What prime number less than 20 can be written as the sum of four different prime numbers?
17
What are two prime numbers less than 20 who's sum is also a prime number?
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
What is the sum of the largest prime less than 20 and more than 60?
The largest prime less than 20 is 19. The largest prime over 60 is 61. The sum of these two numbers is 80.
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