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 statusMnStatusDetails160178321Composite: proven not-prime with PRP test TFNo factors below 278TF target 278 P-1B1 = 1384000B2 = 1497819180 PRPStatusDateUserResidueShiftTypeBaseVerified2025-02-22GdS0DB2762DE9EE69EC013 HistoryDateUserTypeResult2025-05-14ihnlNFno factor from 2^76 to 2^782025-02-22ky0urakuCERTPRP CertificationCERT proof power = 10Proof certified good2025-02-22GdSC-PRP0DB2762DE9EE69ECPRP proof power = 10PRP: VerifiedProof certified good2024-10-02Luke DurantNF-PM1B1=1384000, B2=14978191802024-08-26SRBaseNFno factor from 2^75 to 2^762024-07-01Naegi MakotoNFno factor from 2^69 to 2^702023-03-01SRBaseNFno factor from 2^74 to 2^752017-12-06nranksNFno factor from 2^73 to 2^742017-12-06nranksNFno factor from 2^72 to 2^732017-12-06nranksNFno factor from 2^71 to 2^722017-12-06nranksNFno factor from 2^70 to 2^712017-11-27BigHeadScientistNFno factor from 2^69 to 2^702017-03-20XolotlNFno factor from 2^68 to 2^692016-03-01XZTNFno factor from 2^67 to 2^682015-05-02BJBNFno factor from 2^66 to 2^672013-02-22MucolNFno factor from 2^65 to 2^662011-02-02runeskNFno factor from 2^64 to 2^652010-06-29Torchwood InstituteNFno factor from 2^63 to 2^64