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 statusMnStatusDetails148719509Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1352000B2 = 1798473600 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-26Ryan PropperBE7AE048B2174D83013 HistoryDateUserTypeResult2025-04-23ihnlNFno factor from 2^76 to 2^772024-08-26Luke DurantCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-26Ryan PropperC-PRPBE7AE048B2174D83PRP proof power = 8PRP: VerifiedProof certified good2024-07-27SRBaseNFno factor from 2^75 to 2^762024-07-16Luke DurantNF-PM1B1=1352000, B2=17984736002023-02-03SRBaseNFno factor from 2^74 to 2^752021-11-14SRBaseNFno factor from 2^73 to 2^742018-02-17ky0urakuNFno factor from 2^72 to 2^732017-11-21proxy2222NFno factor from 2^71 to 2^722017-09-20proxy2222NFno factor from 2^70 to 2^712017-06-14proxy2222NFno factor from 2^69 to 2^702016-12-30f0rteOCNFno factor from 2^68 to 2^692016-04-03DerekNFno factor from 2^67 to 2^682015-03-12KayJongsmaNFno factor from 2^66 to 2^672013-01-06HardyP GermanyNFno factor from 2^65 to 2^662011-01-07sasaki3NFno factor from 2^64 to 2^65