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 statusMnStatusDetails138331033Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1167000B2 = 1170414300 PRPStatusDateUserResidueShiftTypeBaseVerified2025-03-29Cavalico2E44433B6EFD3C7A4920091813 HistoryDateUserTypeResult2025-03-29Fabrice BelletCERTPRP CertificationCERT proof power = 10Proof certified good2025-03-29CavalicoC-PRP2E44433B6EFD3C7APRP proof power = 10PRP: VerifiedProof certified good2024-09-20Luke DurantNF-PM1B1=1167000, B2=11704143002024-08-22Ryan PropperNFno factor from 2^76 to 2^772024-07-15SRBaseNFno factor from 2^75 to 2^762023-01-13SRBaseNFno factor from 2^74 to 2^752021-08-02SRBaseNFno factor from 2^73 to 2^742020-11-17SRBaseNFno factor from 2^72 to 2^732017-02-15naturegeakNFno factor from 2^71 to 2^722016-12-20proxy2222NFno factor from 2^70 to 2^712016-12-20proxy2222NFno factor from 2^69 to 2^702016-03-10dbaughNFno factor from 2^68 to 2^692016-02-16Ready4PrimeTimeNFno factor from 2^67 to 2^682015-02-07nEtcoOKNFno factor from 2^66 to 2^672012-11-17sasaki3NFno factor from 2^65 to 2^662010-12-02Thomas StorkNFno factor from 2^64 to 2^652010-06-12Charles A. MorrisNFno factor from 2^63 to 2^64