23050700011
This number is a prime.
2 3050700011
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Prime number formed by concatenating the first five primes and "0" for composite numbers in-between. (Substituting a "2" instead of "0" produces a prime as well.) [Fletcher]
Submitted: 2020-07-27 02:53:22; Last Modified: 2020-07-27 17:16:33.
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