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 statusMnStatusDetails128460193Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 966000B2 = 420059220 PRPStatusDateUserResidueShiftTypeBaseVerified2024-03-28codereptileF0F67CDAB436088A8593552913 HistoryDateUserTypeResult2024-03-28Jeff SponaugleCERTPRP CertificationCERT proof power = 10Proof certified good2024-03-28codereptileC-PRPF0F67CDAB436088APRP proof power = 10PRP: VerifiedProof certified good2024-03-08codereptileNF-PM1B1=966000, B2=4200592202023-01-18TravisJankNFno factor from 2^76 to 2^772023-01-16Kevin JagetNFno factor from 2^75 to 2^762022-12-22SRBaseNFno factor from 2^74 to 2^752021-07-13SRBaseNFno factor from 2^73 to 2^742020-10-20SRBaseNFno factor from 2^72 to 2^732015-11-21SourceBinary.comNFno factor from 2^71 to 2^722015-11-18JudgeNFno factor from 2^70 to 2^712015-11-13La GüiraNFno factor from 2^69 to 2^702015-11-13La GüiraNFno factor from 2^68 to 2^692015-11-13La GüiraNFno factor from 2^67 to 2^682015-01-14el groccoNFno factor from 2^66 to 2^672012-11-28tscNFno factor from 2^65 to 2^662010-11-10James HintzNFno factor from 2^64 to 2^652010-05-29Der GrottenolmNFno factor from 2^63 to 2^64