This number is a prime.
Single Curio View: (Seek other curios for this number)The larger of only two double-digit primes that does not produce a prime by adding a digit to it. (There is no prime "89d"). The smaller such prime is 53. [Loungrides]
Submitted: 2011-06-20 22:21:26; Last Modified: 2019-01-18 05:57:22.
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