Daily Math Challenge

Sharpen your math skills with a new problem every Tuesday to Friday. These daily challenges are perfect for those who enjoy quick, engaging puzzles.

Problem 1366

Posted: June 12, 2025

70 % of users got this correct

A number is called a "Picky Number" if it is a positive integer and the preceding and succeeding whole numbers are prime. In other words, 4 is a "Picky Number" since it is a positive integer and both 3 and 5 are prime numbers. Find the sum of all "Picky Numbers" less than 150.

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