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Find one million consecutive positive numbers, none of which are prime.
Puzzle #40: 1% Questions. Bonus challenge: Players on the show only get 30 seconds to solve each puzzle, ... Only one 10-digit number has the following property.
This brain-teasing math problem created by Puzzles9 presents three pentagons, each with a set of five numbers. But there's a catch — the middle pentagon is missing a number in the bottom right ...