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 statusMnStatusDetails128174947Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 879000B2 = 218077650 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-10Luke Durant6680CA46D3635852013 HistoryDateUserTypeResult2024-08-10skiminkiCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-10Luke DurantC-PRP6680CA46D3635852PRP proof power = 8PRP: VerifiedProof certified good2024-07-26k0r3NF-PM1B1=879000, B2=2180776502024-06-25GregNFno factor from 2^69 to 2^702024-06-24Jarod McClintockNFno factor from 2^68 to 2^692023-01-14TravisJankNFno factor from 2^76 to 2^772023-01-14TravisJankNFno factor from 2^75 to 2^762022-12-22SRBaseNFno factor from 2^74 to 2^752021-07-13SRBaseNFno factor from 2^73 to 2^742020-11-13SRBaseNFno factor from 2^72 to 2^732015-11-09HighPriceRanchNFno factor from 2^71 to 2^722015-11-02Meral HarbesNFno factor from 2^70 to 2^712015-10-07Judge HaleNFno factor from 2^69 to 2^702015-09-28Judge HaleNFno factor from 2^68 to 2^692015-09-24Judge HaleNFno factor from 2^67 to 2^682015-01-11el groccoNFno factor from 2^66 to 2^672012-09-28sasaki3NFno factor from 2^65 to 2^662010-11-07oilwarzonedotcomNFno factor from 2^64 to 2^652010-06-09garoNFno factor from 2^63 to 2^64