Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers.
Given a positive integer x, find the nearest prime number. Keep in mind that the nearest prime may be less than x.
Good problem, but a duplicate of problem 44384.
Finding Perfect Squares
Find the dimensions of a matrix
Van Eck's Sequence's nth member
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Chào các bạn.
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