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 statusMnStatusDetails154998629Composite: proven not-prime with PRP test TFNo factors below 277TF target 278 P-1B1 = 1304000B2 = 1262390250 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-28JackBlock91D4C40E1CCA66505828896013 HistoryDateUserTypeResult2024-10-28Me_0CERTPRP CertificationCERT proof power = 8Proof certified good2024-10-28JackBlockC-PRP91D4C40E1CCA6650PRP proof power = 8PRP: VerifiedProof certified good2024-09-27Luke DurantNF-PM1B1=1304000, B2=12623902502024-08-12JacobZNFno factor from 2^76 to 2^772024-08-04JacobZNFno factor from 2^75 to 2^762023-02-16SRBaseNFno factor from 2^74 to 2^752021-11-14SRBaseNFno factor from 2^73 to 2^742017-12-16workerthreadNFno factor from 2^72 to 2^732017-12-07workerthreadNFno factor from 2^71 to 2^722017-12-02workerthreadNFno factor from 2^70 to 2^712017-03-18La GüiraNFno factor from 2^69 to 2^702017-03-18La GüiraNFno factor from 2^68 to 2^692016-05-03tscNFno factor from 2^67 to 2^682015-04-09YN-MuworksNFno factor from 2^66 to 2^672013-04-02tscNFno factor from 2^65 to 2^662011-01-22dslNFno factor from 2^64 to 2^652010-06-26Mr-PlonkNFno factor from 2^63 to 2^64