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 statusMnStatusDetails131512301Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1058000B2 = 750671460 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-10Luke Durant00DA566CA3107503013 HistoryDateUserTypeResult2024-09-10Manfred_Bruder_01-05-1988_DECERTPRP CertificationCERT proof power = 9Proof certified good2024-09-10Luke DurantC-PRP00DA566CA3107503PRP proof power = 9PRP: VerifiedProof certified good2024-08-19Luke DurantNF-PM1B1=1058000, B2=7506714602024-05-06GregNFno factor from 2^70 to 2^712023-07-12Mark_JohnsonNFno factor from 2^76 to 2^772023-07-09ZbiGNFno factor from 2^75 to 2^762023-01-01SRBaseNFno factor from 2^74 to 2^752021-07-20SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732016-12-03nate.andersNFno factor from 2^71 to 2^722016-06-01Josh FamestadNFno factor from 2^70 to 2^712013-01-19VictordeHollanderNFno factor from 2^69 to 2^702012-09-24VictordeHollanderNFno factor from 2^68 to 2^692012-09-24VictordeHollanderNFno factor from 2^65 to 2^682010-11-15sasaki3NFno factor from 2^64 to 2^652010-06-03Cedric VonckNFno factor from 2^63 to 2^64