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 statusMnStatusDetails119895929Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 991000B2 = 917058870 PRPStatusDateUserResidueShiftTypeBaseVerified2024-02-05Dmitry BolshakovF018C5988EC66F376137088013 HistoryDateUserTypeResult2024-02-05Richard KintCERTPRP CertificationCERT proof power = 8Proof certified good2024-02-05Dmitry BolshakovC-PRPF018C5988EC66F37PRP proof power = 8PRP: VerifiedProof certified good2023-10-24Simon JosefssonNF-PM1B1=991000, B2=9170588702022-05-22TheJudgerNFno factor from 2^76 to 2^772021-07-10TheJudgerNFno factor from 2^75 to 2^762021-07-10TheJudgerNFno factor from 2^74 to 2^752021-04-07BommerNFno factor from 2^73 to 2^742020-05-04Greg HoganNFno factor from 2^72 to 2^732015-06-15SMoffatNFno factor from 2^71 to 2^722015-05-27Mihai PredaNFno factor from 2^70 to 2^712015-05-04Mihai PredaNFno factor from 2^69 to 2^702015-04-25Mihai PredaNFno factor from 2^68 to 2^692015-04-14Mihai PredaNFno factor from 2^67 to 2^682014-12-18nikoszNFno factor from 2^66 to 2^672012-07-28Mr-PlonkNFno factor from 2^65 to 2^662010-10-17Torchwood InstituteNFno factor from 2^64 to 2^652010-05-16oodairaNFno factor from 2^63 to 2^64