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 statusMnStatusDetails126144871Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1142000B2 = 2319361590 PRPStatusDateUserResidueShiftTypeBaseVerified2024-07-26Luke Durant3F21972C200CA915013 HistoryDateUserTypeResult2024-07-26Oliver KruseCERTPRP CertificationCERT proof power = 9Proof certified good2024-07-26Luke DurantC-PRP3F21972C200CA915PRP proof power = 9PRP: VerifiedProof certified good2024-07-05Luke DurantNF-PM1B1=1142000, B2=23193615902022-07-25TheJudgerNFno factor from 2^76 to 2^772022-07-25TheJudgerNFno factor from 2^75 to 2^762022-07-25TheJudgerNFno factor from 2^74 to 2^752021-04-18GANNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732015-10-22BronzemanNFno factor from 2^71 to 2^722015-10-01SourceBinary.comNFno factor from 2^70 to 2^712015-08-16Judge HaleNFno factor from 2^69 to 2^702015-07-27Judge HaleNFno factor from 2^68 to 2^692015-07-27Judge HaleNFno factor from 2^67 to 2^682014-12-31Thomas StorkNFno factor from 2^66 to 2^672012-09-26RichardNFno factor from 2^65 to 2^662010-11-02Torchwood InstituteNFno factor from 2^64 to 2^652010-05-27RichardNFno factor from 2^63 to 2^64