Restricted Right-truncatable primes
A right-truncatable prime is a prime which remains prime when the last ("right") digit is successively removed and all of its right extensions are composite.
There are 27 restricted right-truncatable primes.
First 19: 53, 317, 599, 797, 2393, 3793, 3797, 7331, 23333, 23339, 31193, 31379, 37397, 73331, 373393, 593993, 719333, 739397, 739399
Checkout list of first: 10, 50 restricted right-truncatable primes. You can also check all restricted right-truncatable primes.
Checkout restricted right-truncatable primes up to: 100, 500, 1000, 10000.
External#
- OEIS: A239747
- Wikipedia: Truncatable prime
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