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 statusMnStatusDetails335003477Composite: proven not-prime with PRP test TFNo factors below 281TF target 281 P-1B1 = 3000000B2 = 1005910290 PRPStatusDateUserResidueShiftTypeBaseVerified2024-05-21Anton Repko3C723679EAB0B3B5013 HistoryDateUserTypeResult2024-06-08James HeinrichNFno factor from 2^72 to 2^732024-05-22KhantorCERTPRP CertificationCERT proof power = 10Proof certified good2024-05-21Anton RepkoC-PRP3C723679EAB0B3B5PRP proof power = 10PRP: VerifiedProof certified good2023-06-30Anton RepkoNF-PM1B1=3000000, B2=10059102902023-03-27Anton RepkoNFno factor from 2^76 to 2^812019-03-02mikrNFno factor from 2^75 to 2^762019-03-02mikrNFno factor from 2^74 to 2^752019-03-02mikrNFno factor from 2^73 to 2^742017-02-02ConductorNFno factor from 2^72 to 2^732016-01-13Jacques MOLNENFno factor from 2^71 to 2^722016-01-13Jacques MOLNENFno factor from 2^70 to 2^712016-01-13Jacques MOLNENFno factor from 2^69 to 2^702015-05-22Jacques MOLNENFno factor from 2^68 to 2^692012-12-25c10ck3rNFno factor from 2^65 to 2^68