98682705*2^350128-1 (105408 digits)

k=98682705 pops out another prime:

98682705*2^429217-1 (129216 digits)

615*2^615952-1 (185423 digits)

2073*2^566123-1 (170424 digits)

5955*2^467420-1 (140712 digits)

2595*2^489851-1 (147464 digits)

5655*2^468842-1 (141140 digits)

After 1 year and 8 days: :big grin:

49 * 2^1257295-1 (378486 digits)

Congratulation for the second biggest prime reported in this thread !!!

5077 · 2^1753317-1 is prime! (527805 digits) :smile:

[B]Huge congrats to arminius and Beyond![/B]

Two megabit primes within 12 hours from each other!! :w00t:

5077*2^1753317-1 by Beyond is our new record!
:banana:


:kosmaj: