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Class 1+ Primes

Primes of the form 2u3v − 1 for some integers u,v ≥ 0

First 20: 2, 3, 5, 7, 11, 17, 23, 31, 47, 53, 71, 107, 127, 191, 383, 431, 647, 863, 971, 1151

Checkout list of first: 10, 50 class 1+ primes. You can also check all class 1+ primes.

Checkout class 1+ primes up to: 100, 500, 1000, 10000.

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