Message boards : Number crunching : Results of bases
R19 tested to n=275k (250-275K) 18 primes found, 675 remain
S1030 tested to n=125k (100-125K) 19 primes found, 174 remain (+2 duplicate k-values are prime)
S31 tested to n=150k (125-150K) 50 primes found, 393 remain (+4 duplicate k-values are prime)
S887 tested to n=500k (300-500K) nothing found, 2 remain
S68 tested to n=1.5M (1-1.5M) nothing found, 1 remain