3821
This number is a prime.
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Smallest multidigit lesser of a twin prime pair which is equal to the sum of lesser of twin primes, i.e., 3+5+11+17+29+...+347+419+431 = 3821. [Sariyar]
Submitted: 2019-12-12 11:12:04; Last Modified: 2020-06-30 01:19:42.
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