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 statusMnStatusDetails124138997Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 958000B2 = 486464790 PRPStatusDateUserResidueShiftTypeBaseVerified2024-07-09Luke DurantFF5FB8E85BC9D9E7013 HistoryDateUserTypeResult2024-07-09Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-07-09Luke DurantC-PRPFF5FB8E85BC9D9E7PRP proof power = 9PRP: VerifiedProof certified good2024-06-05Simon JosefssonNF-PM1B1=958000, B2=4864647902022-07-02RichD0NFno factor from 2^76 to 2^772022-07-02LOBESNFno factor from 2^75 to 2^762022-06-08mrk74NFno factor from 2^74 to 2^752021-07-13SRBaseNFno factor from 2^73 to 2^742020-10-28SRBaseNFno factor from 2^72 to 2^732015-11-08SourceBinary.comNFno factor from 2^71 to 2^722015-09-07SMoffatNFno factor from 2^70 to 2^712015-06-22Judge HaleNFno factor from 2^69 to 2^702015-06-22Judge HaleNFno factor from 2^68 to 2^692015-06-22Judge HaleNFno factor from 2^67 to 2^682014-12-20Jan KuipersNFno factor from 2^66 to 2^672012-09-07-Anonymous-NFno factor from 2^65 to 2^662010-10-28Torchwood InstituteNFno factor from 2^64 to 2^652010-05-22Torchwood InstituteNFno factor from 2^63 to 2^64