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 statusMnStatusDetails163036721Composite: proven not-prime with PRP test TFNo factors below 276TF target 278 P-1B1 = 1401000B2 = 1513808010 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-25S0003089D78D540BDCFB0A013 HistoryDateUserTypeResult2024-10-25Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-10-25S00030C-PRP89D78D540BDCFB0APRP proof power = 9PRP: VerifiedProof certified good2024-10-11Luke DurantNF-PM1B1=1401000, B2=15138080102024-09-01SRBaseNFno factor from 2^75 to 2^762023-03-04SRBaseNFno factor from 2^74 to 2^752021-12-07SRBaseNFno factor from 2^73 to 2^742016-01-22caddrNFno factor from 2^72 to 2^732016-01-20caddrNFno factor from 2^71 to 2^722016-01-01caddrNFno factor from 2^70 to 2^712014-12-08La GüiraNFno factor from 2^69 to 2^702014-12-08La GüiraNFno factor from 2^68 to 2^692014-12-08La GüiraNFno factor from 2^66 to 2^682013-03-04HardyP GermanyNFno factor from 2^65 to 2^662011-02-09oilwarzonedotcomNFno factor from 2^64 to 2^652010-07-02sasaki3NFno factor from 2^63 to 2^64