7072833120
This number is a composite.
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7072833120 is the smallest b>1 such that b^(2^n)+1 is prime for n = 0, 1, 2, 3, 4, 5. By Yves Gallot. [Rivera]
Submitted: 2020-06-25 13:08:02; Last Modified: 2020-06-25 15:53:32.
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