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Earn +20 ptsQ: What are all the prime numbers under 20?
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Is 4 plus 6 a prime number of 20?
NO!!!! Other than '2' all prime numbers are odd numbers. 4,6,10 & 20 are all even so they are not prime numbers.
How many prime numbers on a dartboard?
There are eight prime numbers under 20.
What are Prime numbers 1-20?
These are the prime numbers 1-20 2,3,5,7,11,13,17,19
What prime numbers are higher than 20?
The first prime above 20 is 23, and then all others (29 is the next).
What is the sum of all prime numbers between 20 and 40?
To find the sum of all prime numbers between 20 and 40, we first list out the prime numbers in that range: 23, 29, 31, 37. Then, we simply add them together: 23 + 29 + 31 + 37 = 120. Therefore, the sum of all prime numbers between 20 and 40 is 120.
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