773*2^857230-1

317*2^1032378-1 is prime.

Added 96907 : 675*2^859407-1 (258711 digits)

683*2^861716-1

649*2^868233-1

697*2^873197-1 is Prime!

733*2^874979-1

689*2^875428-1 is Prime!

[QUOTE=MiHost;243996]689*2^875428-1 is Prime![/QUOTE]

Welcome to NPLB MiHost!

Are you aware that you need to report your prime at the top-5000 site at [URL]http://primes.utm.edu/primes/home.php[/URL] ? For instructions on doing so, see the 1st post of this thread at [URL]http://www.mersenneforum.org/showpost.php?p=123340&postcount=1[/URL].

If you have any questions, feel free to ask. Everyone is very helpful. :smile:


Gary

Added [URL="http://primes.utm.edu/primes/page.php?id=97173"][COLOR=#000080]97173[/COLOR][/URL] : 689*2^875428-1 (263533 digits)

777*2^874712-1 is Prime!