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 statusMnStatusDetails125797289Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1086000B2 = 1515668700 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-06Luke Durant244C38836C46CDE65509926613 HistoryDateUserTypeResult2024-08-06ANONYMOUSCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-06Luke DurantC-PRP244C38836C46CDE6PRP proof power = 8PRP: VerifiedProof certified good2024-07-02Luke DurantNF-PM1B1=1086000, B2=15156687002022-07-23TheJudgerNFno factor from 2^76 to 2^772022-07-23TheJudgerNFno factor from 2^75 to 2^762022-07-23TheJudgerNFno factor from 2^74 to 2^752021-07-15SRBaseNFno factor from 2^73 to 2^742020-10-28SRBaseNFno factor from 2^72 to 2^732015-12-21ssatenethNFno factor from 2^71 to 2^722015-08-04Judge HaleNFno factor from 2^70 to 2^712015-07-21Judge HaleNFno factor from 2^69 to 2^702015-07-17Judge HaleNFno factor from 2^68 to 2^692015-07-13Judge HaleNFno factor from 2^67 to 2^682014-12-28vapaddyNFno factor from 2^66 to 2^672012-09-13Mr-PlonkNFno factor from 2^65 to 2^662010-11-01Charles A. MorrisNFno factor from 2^64 to 2^652010-05-252knarfNFno factor from 2^63 to 2^64