Inner product of two vectors
Project Euler: Problem 6, Natural numbers, squares and sums.
Numbers with prime factors 2, 3 and 5.
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Generate a list of composite numbers
Solve an ODE: equidimensional equation
Identify prime words
Construct a prime circle
Solve a Weird Calculator puzzle
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