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 statusMnStatusDetails130017287Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1172000B2 = 2272771410 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-01Luke DurantF4E5C2B385E351B0013 HistoryDateUserTypeResult2024-09-01575kevkevCERTPRP CertificationCERT proof power = 9Proof certified good2024-09-01Luke DurantC-PRPF4E5C2B385E351B0PRP proof power = 9PRP: VerifiedProof certified good2024-08-07Luke DurantNF-PM1B1=1172000, B2=22727714102024-05-06GregNFno factor from 2^70 to 2^712023-05-01Ryan SzetoNFno factor from 2^76 to 2^772023-04-28A CuneoNFno factor from 2^75 to 2^762022-09-24ViliamFNFno factor from 2^74 to 2^752021-07-16SRBaseNFno factor from 2^73 to 2^742020-10-20SRBaseNFno factor from 2^72 to 2^732015-11-19Chang Chia-TcheNFno factor from 2^71 to 2^722015-11-11Josh FamestadNFno factor from 2^70 to 2^712014-07-09Andreas_TruetschNFno factor from 2^69 to 2^702014-02-15mikrNFno factor from 2^68 to 2^692014-02-15mikrNFno factor from 2^67 to 2^682012-08-27RobertNNFno factor from 2^66 to 2^672012-05-03RedarmNFno factor from 2^65 to 2^662010-11-11Charles A. MorrisNFno factor from 2^64 to 2^652010-06-01Torchwood InstituteNFno factor from 2^63 to 2^64