Right-truncatable primes
A right-truncatable prime is a prime which remains prime when the last ("right") digit is successively removed.
For example, 7393, since 7393, 739, 73, 7 are all prime.
There are 83 right-truncatable primes.
First 20: 2, 3, 5, 7, 23, 29, 31, 37, 53, 59, 71, 73, 79, 233, 239, 293, 311, 313, 317, 373
Checkout list of first: 10, 50, 100 right-truncatable primes. You can also check all right-truncatable primes.
Checkout right-truncatable primes up to: 100, 500, 1000, 10000.
External#
- OEIS: A024770
- Wikipedia: Truncatable prime
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