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 statusMnStatusDetails129903581Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1172000B2 = 2272771410 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-31Luke DurantB1DA138D994470AF013 HistoryDateUserTypeResult2024-08-31Jon PaceCERTPRP CertificationCERT proof power = 9Proof certified good2024-08-31Luke DurantC-PRPB1DA138D994470AFPRP proof power = 9PRP: VerifiedProof certified good2024-08-06Luke DurantNF-PM1B1=1172000, B2=22727714102024-05-06GregNFno factor from 2^68 to 2^692023-06-12Naegi MakotoNFno factor from 2^76 to 2^772023-06-12Naegi MakotoNFno factor from 2^75 to 2^762021-12-01Neutron3529NFno factor from 2^74 to 2^752020-11-23ViliamFNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732016-03-15shbrisNFno factor from 2^71 to 2^722016-03-15shbrisNFno factor from 2^70 to 2^712016-03-15shbrisNFno factor from 2^69 to 2^702016-03-14Josh FamestadNFno factor from 2^68 to 2^692016-03-07Josh FamestadNFno factor from 2^67 to 2^682016-02-24proxy2222NFno factor from 2^67 to 2^682015-01-16ANONYMOUSNFno factor from 2^66 to 2^672012-10-13RichardNFno factor from 2^65 to 2^662010-11-11oilwarzonedotcomNFno factor from 2^64 to 2^652010-06-04Carsten KossendeyNFno factor from 2^63 to 2^64