Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails44724431Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 272P-1B1 = 1000000B2 = 60000000LLStatusDateUserResidueShiftSoftwareBad2009-09-26sunithaya2CB7675006F38B4934093398Windows 64-bit,Prime95,v25.9,build 4Verified2009-10-31curtisc3258804ED3D6630710130280Windows Service,Prime95,v25.8,build 1Verified2016-09-21Mark Rose3258804ED3D6630713296920Linux 64-bit,Prime95,v28.9,build 2HistoryDateUserTypeResult2024-06-20James HeinrichNFno factor TF: 69-702019-11-18Sid & AndyNFno factor TF: 73-742018-08-07-anonymous-NFno factor TF: 72-732018-02-04Oliver KruseNF-PM1B1=1000000, B2=60000000, E=122016-09-21Mark RoseC-LL3258804ED3D663072015-08-09GregNFno factor TF: 70-722015-07-30Carsten KossendeyNFno factor TF: 69-702014-07-06VictordeHollanderNFno factor TF: 68-692009-10-31curtiscC-LL3258804ED3D663072009-09-26sunithayaC-LL2CB7675006F38B492009-07-05sunithayaNF-PM1B1=540000, B2=15525000, E=62007-11-17ITSNFno factor TF: 1-68