Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails75191447Composite: proven not-prime with Lucas-Lehmer testNo factors below 275TF target 274P-1B1 = 640000B2 = 11840000LLStatusDateUserResidueShiftSoftwareVerified2016-10-30DrgoodestAD153311B59EE68345704067Windows 64-bit,Prime95,v28.7,build 1Verified2025-03-28Pavel BogdanovAD153311B59EE68366968091Windows 64-bit,Prime95,v30.19,build 20HistoryDateUserTypeResult2025-03-28Pavel BogdanovC-LLAD153311B59EE6832016-10-30DrgoodestC-LLAD153311B59EE6832016-01-04ixfd64NF-PM1B1=640000, B2=118400002015-12-31TheJudgerNFno factor TF: 74-752015-12-31TheJudgerNFno factor TF: 73-742015-12-19BdotNFno factor TF: 72-732015-08-31Judge HaleNFno factor TF: 71-722014-02-20arnaudNFno factor TF: 70-712012-12-05JayNFno factor TF: 69-702010-12-21oilwarzonedotcomNFno factor TF: 68-692010-12-13-anonymous-NFno factor TF: 67-682010-12-12-anonymous-NFno factor TF: 66-672010-12-12Craig MeyersNFno factor TF: 65-662010-08-04-anonymous-NFno factor TF: 64-652005-02-12MarzbugNFno factor TF: 1-642005-01-10MarzbugNFno factor TF: 1-642004-12-23MarzbugNFno factor TF: 1-642003-07-30MarzbugNFno factor TF: 1-63