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 statusMnStatusDetails124305611Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 950000B2 = 505177890 PRPStatusDateUserResidueShiftTypeBaseVerified2024-07-11Luke Durant3DDABBD7914DB154013 HistoryDateUserTypeResult2024-07-11Andrew SPBCERTPRP CertificationCERT proof power = 8Proof certified good2024-07-11Luke DurantC-PRP3DDABBD7914DB154PRP proof power = 8PRP: VerifiedProof certified good2024-06-10Simon JosefssonNF-PM1B1=950000, B2=5051778902022-07-03TheJudgerNFno factor from 2^76 to 2^772022-07-03TheJudgerNFno factor from 2^75 to 2^762022-06-15Yves de WandelaarNFno factor from 2^74 to 2^752021-07-13SRBaseNFno factor from 2^73 to 2^742020-11-22SRBaseNFno factor from 2^72 to 2^732015-09-11Smok_bmv NFno factor from 2^71 to 2^722015-08-28ANONYMOUSNFno factor from 2^70 to 2^712015-06-24Judge HaleNFno factor from 2^69 to 2^702015-06-24Judge HaleNFno factor from 2^68 to 2^692015-06-24Judge HaleNFno factor from 2^67 to 2^682014-12-20nikoszNFno factor from 2^66 to 2^672012-09-02Mr-PlonkNFno factor from 2^65 to 2^662010-10-28Thomas StorkNFno factor from 2^64 to 2^652010-05-23sannerud.comNFno factor from 2^63 to 2^64