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 statusMnStatusDetails124609157Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 717000B2 = 72773220 PRPStatusDateUserResidueShiftTypeBaseVerified2024-07-14Luke Durant09E168EC627A27B8013 HistoryDateUserTypeResult2024-07-14Colton TindleCERTPRP CertificationCERT proof power = 8Proof certified good2024-07-14Luke DurantC-PRP09E168EC627A27B8PRP proof power = 8PRP: VerifiedProof certified good2024-06-16LOBESNF-PM1B1=717000, B2=727732202024-05-08James HeinrichNFno factor from 2^70 to 2^712022-07-06TheJudgerNFno factor from 2^76 to 2^772022-07-06TheJudgerNFno factor from 2^75 to 2^762022-07-06TheJudgerNFno factor from 2^74 to 2^752021-07-09SRBaseNFno factor from 2^73 to 2^742020-10-12tscNFno factor from 2^72 to 2^732015-10-11SMoffatNFno factor from 2^71 to 2^722015-09-23Josh FamestadNFno factor from 2^70 to 2^712015-06-28Judge HaleNFno factor from 2^69 to 2^702015-06-28Judge HaleNFno factor from 2^68 to 2^692015-06-28Judge HaleNFno factor from 2^67 to 2^682014-12-22vwflat4NFno factor from 2^66 to 2^672012-09-05carlos56NFno factor from 2^65 to 2^662010-10-29oilwarzonedotcomNFno factor from 2^64 to 2^652010-05-23Maurizio FD - ItalyNFno factor from 2^63 to 2^64