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Earn +20 ptsQ: The largest prime number under 20?
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What is the largest prime number that has a square root that is less than 20?
Prime numbers can't have whole number square roots, of course, but the largest prime number under 400 is 397.
Is a prime number less than 20?
A prime number can be less than 20, but it is not a requirement that the number has to be under 20 to be considered prime. Here is a list of all the prime numbers under 20: 2, 3, 5, 7, 11, 13, 17, and 19 .
Is 20 the largest prime factor of 20?
No, 5 is.
What prime number under 20 can be expressed as the sum of three different prime numbers?
They are: 3+5+11 = 19
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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