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 statusMnStatusDetails128513477Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 568000B2 = 19455000 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-12Luke Durant76F63B2BC4A30E67013 HistoryDateUserTypeResult2024-08-12James MartinezCERTPRP CertificationCERT proof power = 9Proof certified good2024-08-12Luke DurantC-PRP76F63B2BC4A30E67PRP proof power = 9PRP: VerifiedProof certified good2024-07-28Jwb52zNF-PM1B1=568000, B2=194550002023-03-01LOBESNFno factor from 2^76 to 2^772023-01-24srow7NFno factor from 2^75 to 2^762022-12-23SRBaseNFno factor from 2^74 to 2^752021-07-13SRBaseNFno factor from 2^73 to 2^742020-10-20SRBaseNFno factor from 2^72 to 2^732015-11-29SourceBinary.comNFno factor from 2^71 to 2^722015-11-22Meral HarbesNFno factor from 2^70 to 2^712015-02-06La GüiraNFno factor from 2^69 to 2^702015-02-06La GüiraNFno factor from 2^68 to 2^692015-02-06La GüiraNFno factor from 2^67 to 2^682015-01-14el groccoNFno factor from 2^66 to 2^672012-10-06RichardNFno factor from 2^65 to 2^662010-11-08Torchwood InstituteNFno factor from 2^64 to 2^652010-05-29subgeniusNFno factor from 2^63 to 2^64