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The Prime Gap

8,974 solved 75% solve rate 25% fail rate
Is there always a prime number between n and 2n for any integer n greater than 1?
Only 75% solve this correctly
8,974 attempts
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Quick Answer & Explanation
Yes - this is

The answer to this riddle is Yes - this is. Difficulty: Hard · Solved by 8,974 puzzle lovers.

Yes - this is Bertrands Postulate, proven by Chebyshev in 1852. For any n > 1, there exists a prime p where n < p < 2n.
← The Fibonacci Test The Ticking Wrist →

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