2547*2^503218-1 confirmed prime.

2177*2^503892-1 confirmed prime

2427*2^504489-1 is prime

2043*2^503778-1
[url]http://primes.utm.edu/primes/page.php?id=90779[/url]

2397*2^504998-1 is prime

2901*2^506226-1
[url]http://primes.utm.edu/primes/page.php?id=90838[/url]

2163*2^506996-1 is prime
2725*2^507085-1 is prime
2913*2^507380-1 is prime

Cipher found 2699*2^507972-1 is confirmed prime.

2997*2^509024-1 is prime
2311*2^509437-1 is prime
2525*2^509654-1 is prime
2619*2^509677-1 is prime
2095*2^509919-1 is prime

Added [URL="http://primes.utm.edu/primes/page.php?id=91008"]91008[/URL] : 2779*2^509401-1 (153349 digits)
Added [URL="http://primes.utm.edu/primes/page.php?id=91009"]91009[/URL] : 2037*2^509677-1 (153432 digits)

2159*2^510704-1 is prime
2207*2^511102-1 is prime
2361*2^511782-1 is prime
2769*2^512325-1 is prime
2307*2^512420-1 is prime
2193*2^513360-1 is prime
2967*2^513388-1 is prime
2153*2^514076-1 is confirmed prime