11236129794797

This number is a prime.

1123 6129794797

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The smallest prime formed from seven distinct double-digit primes such that deleting each double-digit prime from the right produces a prime at each step, i.e., 112361297947, 1123612979, 11236129, 112361, 1123, 11. [Loungrides]

Submitted: 2018-04-01 12:03:24; Last Modified: 2018-04-01 14:48:22.