103*2^602483-1 (181368 digits)

2261*2^383966-1 (115589 digits)
2009*2^389396-1 (117224 digits)
2113*2^391479-1 (117851 digits)
2021*2^392474-1 (118150 digits)
2113*2^394475-1 (118753 digits)
2107*2^394797-1 (118850 digits)
2227*2^397573-1 (119685 digits)

2153*2^514076-1 (154756 digits)

63*2^610704-1 is prime (183843 digits)


k=37, 41, 43, 61, and 63 are now at n=618K

3015015*2^467138-1 (140630 digits)

5955*2^341974-1 (102949 digits)
5955*2^342783-1 (103192 digits)

93*2^903187-1 is prime.
-Curtis

Nice one Curtis!

I got one too :smile:

193*2^880287-1 (264996 digits)

5*2^1194164-1 (359480 digits)

[QUOTE=AES;123302]5*2^1194164-1 (359480 digits)[/QUOTE]Finally a prime for k=5! Congratulations! It ranks #5 among RPS primes :tu: