This number is a composite.
3000# + 1 is congruent to 0 (mod 3001). [Luhn]
GIMPS plans to offer a $3000 award for each Mersenne prime discovered.
The sum of all the multidigit primes consisted of only odd
digits in decreasing order (31+53+71+73+97+751+953+971). [Loungrides]
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