Two-sided primes up to 315

Two-sided primes: Prime which is left-truncatable prime and right-truncatable prime.

There is 9 two-sided primes smaller than 315.

Checkout two-sided primes up to: 100, 500, 1000, 10000.

List#

2, 3, 5, 7, 23, 37, 53, 73, 313

Table#

 123456789
1 - 9235723375373313
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