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 statusMnStatusDetails119330521Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 580000B2 = 27630540 PRPStatusDateUserResidueShiftTypeBaseVerified2024-02-28Nazarov Mikhail1E7DB494CF3156F15378527913Verified2024-07-15mewturn1E7DB494CF3156F1013 HistoryDateUserTypeResult2024-07-16Randall W. AndersonCERTPRP CertificationCERT proof power = 7Proof certified good2024-07-15mewturnC-PRP1E7DB494CF3156F1PRP proof power = 7PRP: VerifiedProof certified good2024-02-28Nazarov MikhailC-PRP1E7DB494CF3156F1PRP proof power = 10PRP: VerifiedPRP proof never uploaded2023-10-06Smok_bmv NF-PM1B1=580000, B2=276305402022-05-22TheJudgerNFno factor from 2^76 to 2^772021-03-22FlaukrotistNFno factor from 2^75 to 2^762021-03-21FlaukrotistNFno factor from 2^74 to 2^752021-03-21FlaukrotistNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732015-08-26SMoffatNFno factor from 2^71 to 2^722015-08-22SMoffatNFno factor from 2^70 to 2^712015-08-17ANONYMOUSNFno factor from 2^69 to 2^702015-06-15Smok_bmv NFno factor from 2^68 to 2^692015-04-10Andrew BNFno factor from 2^67 to 2^682014-12-18GrunwalderGIMPNFno factor from 2^66 to 2^672012-08-13RichardNFno factor from 2^65 to 2^662010-10-16Charles A. MorrisNFno factor from 2^64 to 2^652010-05-22BattlemaxxNFno factor from 2^63 to 2^64