Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails37162519Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 271P-1B1 = 400000B2 = 12000000LLStatusDateUserResidueShiftSoftwareVerified2009-08-25Alan Nishioka0686E9D7C4FB0FC98364184Linux 32-bit,Prime95,v25.8,build 4Verified2016-08-16Dubslow0686E9D7C4FB0FC98434379Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2022-07-28RichD0NFno factor TF: 72-732022-06-04Dylan DelgadoNFno factor TF: 71-722016-08-16DubslowC-LL0686E9D7C4FB0FC92016-01-22HBendtzNF-PM1B1=400000, B2=12000000, E=122014-11-231997rj7NFno factor TF: 70-712014-10-20VictordeHollanderNFno factor TF: 69-702013-06-25krackerNFno factor TF: 68-692012-04-04Serge BatalovNFno factor TF: 67-682009-08-25Alan NishiokaC-LL0686E9D7C4FB0FC92009-08-08Alan NishiokaNF-PM1B1=6450002006-04-28smintheusNFno factor TF: 1-67