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 statusMnStatusDetails125723173Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 727000B2 = 74009628 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-04Luke Durant3177695276287F6D6154633513 HistoryDateUserTypeResult2024-08-04Ben DeloCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-04Luke DurantC-PRP3177695276287F6DPRP proof power = 8PRP: VerifiedProof certified good2024-07-02R GiltrapNF-PM1B1=727000, B2=740096282022-07-23TheJudgerNFno factor from 2^76 to 2^772022-07-23TheJudgerNFno factor from 2^75 to 2^762022-07-23TheJudgerNFno factor from 2^74 to 2^752021-07-08SRBaseNFno factor from 2^73 to 2^742020-10-28SRBaseNFno factor from 2^72 to 2^732015-09-28SourceBinary.comNFno factor from 2^71 to 2^722015-08-02Judge HaleNFno factor from 2^70 to 2^712015-07-19Judge HaleNFno factor from 2^69 to 2^702015-07-15Judge HaleNFno factor from 2^68 to 2^692015-07-13Judge HaleNFno factor from 2^67 to 2^682014-12-28symalladNFno factor from 2^66 to 2^672012-09-13csabaNFno factor from 2^65 to 2^662010-11-01sasaki3NFno factor from 2^64 to 2^652010-05-27garoNFno factor from 2^63 to 2^64