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Torbjörn Eriksson found a megaprime for base S257.
The prime 40*257^901632+1 has 2.172.875 digits and entered the T5k PrimePages.
It also proven the base.
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WOOOOOOO!
Nice find!
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Primes Found:
50*893^231310-1 (Top 5000)
20*634^476756-1 (Top 5000)
96*789^506568+1 (Top 5000)
225*370^322863-1 (Top 5000)
3293*82^335630-1 (Top 5000)
18431*82^467690-1 (Top 5000)
79128*105^365950-1 (Top 5000)
More primes on prestacki.com!
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