Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails126475777Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 2000000B2 = 1514945250 PRPStatusDateUserResidueShiftTypeBaseVerified2024-07-29Luke Durant4FC79DCFBAD75AB0013 HistoryDateUserTypeResult2024-08-16Jarod McClintockNFno factor from 2^71 to 2^732024-07-29ÇhuffoCERTPRP CertificationCERT proof power = 9Proof certified good2024-07-29Luke DurantC-PRP4FC79DCFBAD75AB0PRP proof power = 9PRP: VerifiedProof certified good2024-06-21Luke DurantNF-PM1B1=2000000, B2=15149452502022-07-31TheJudgerNFno factor from 2^76 to 2^772022-07-31TheJudgerNFno factor from 2^75 to 2^762022-07-31TheJudgerNFno factor from 2^74 to 2^752021-07-09SRBaseNFno factor from 2^73 to 2^742015-10-28Ruediger EckhardNFno factor from 2^72 to 2^732015-10-28Ruediger EckhardNFno factor from 2^71 to 2^722015-10-26SMoffatNFno factor from 2^70 to 2^712015-10-16Meral HarbesNFno factor from 2^69 to 2^702015-08-06Judge HaleNFno factor from 2^68 to 2^692015-08-06Judge HaleNFno factor from 2^67 to 2^682015-01-033astNFno factor from 2^66 to 2^672012-09-18subgeniusNFno factor from 2^65 to 2^662010-11-03Charles A. MorrisNFno factor from 2^64 to 2^652010-05-26Torchwood InstituteNFno factor from 2^63 to 2^64