R646
 

R646 tested n=10K-25K

54 primes found - 139 remain

Results emailed - Base released

[COLOR=Red]S757 reserved to n=25K[/COLOR]

S973 tested to n=100k (25-100k)

20 primes found, 27k remain

6328*973^25254+1
2538*973^30179+1
7246*973^31380+1
6784*973^32675+1
6874*973^33889+1
3568*973^37067+1
5506*973^37068+1
7056*973^37492+1
8796*973^38041+1
7114*973^41067+1
2034*973^49117+1
76*973^59887+1
7050*973^62382+1
6408*973^65882+1
5286*973^75587+1
8502*973^76933+1
8178*973^77348+1
7816*973^81736+1
4254*973^85066+1
8242*973^96058+1

Results emailed - Base released

R542, S639, and S954 are complete to n=50K; 10 primes were found for n=25K-50K; primes and k's remaining shown below; bases released.

R542; 3 primes, 18 k's remaining
S639; 5 primes, 11 k's remaining
S954; 2 primes, 16 k's remaining

Primes:
55*542^29513-1
127*542^33605-1
115*542^41905-1
1336*639^36734+1
1102*639^42119+1
124*639^46587+1
316*639^47778+1
474*639^49543+1
334*954^26017+1
351*954^41442+1

S520 tested to n=400k; 1 prime found, 1 k remains.

Results emailed - Base released

I'll push S520 from 400k to 700k for the remaining k-value of 369.

S820
 

Reserving S820 n=2.5K-25K

Reserving R718 to n=100k (25-100k) for BOINC

Reserving S577 to n=100k (50-100k) for BOINC

Reserving S639 to n=100k (50-100k) for BOINC

Reserving R952 to n=100k (25-100k) for BOINC

Reserving S862 to n=100k (25-100k) for BOINC

Reserving S954 to n=100k (50-100k) for BOINC

Reserving R821 from 25K - 100K