Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails43175681Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 272P-1B1 = 750000B2 = 15000000LLStatusDateUserResidueShiftSoftwareVerified2009-01-06lindedB9C8D83286699B176325096Windows,Prime95,v25.8,build 5Bad2016-02-03Tha809AB2287B4C0C6A35498739Linux 64-bit,Prime95,v28.7,build 1Verified2016-02-05ATHB9C8D83286699B1716257CUDALucas v2.05.1HistoryDateUserTypeResult2024-05-24Jarod McClintockNFno factor TF: 68-692020-01-10-anonymous-NFno factor TF: 73-742019-09-28Random GPUsNFno factor TF: 72-732016-02-05ATHC-LLB9C8D83286699B172016-02-03ThaC-LL809AB2287B4C0C6A2016-01-30ThaNF-PM1B1=750000, B2=15000000, E=122015-10-08AirSquirrelsNFno factor TF: 71-722015-09-09Bruno VictalNFno factor TF: 70-712015-07-01Carsten KossendeyNFno factor TF: 69-702013-01-25Carsten KossendeyNFno factor TF: 68-692009-01-06lindedC-LLB9C8D83286699B172008-07-25AmperioNF-PM1B1=7200002007-08-14raymondfNFno factor TF: 1-68