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 statusMnStatusDetails131642047Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1134000B2 = 1536536232 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-17Luke Durant78CB4A5797142C76013 HistoryDateUserTypeResult2024-09-17Aera23CERTPRP CertificationCERT proof power = 9Proof certified good2024-09-17Luke DurantC-PRP78CB4A5797142C76PRP proof power = 9PRP: VerifiedProof certified good2024-06-16Luke DurantNF-PM1B1=1134000, B2=15365362322023-09-12RichD0NFno factor from 2^76 to 2^772023-04-02Brent GoebelNFno factor from 2^75 to 2^762022-12-28SRBaseNFno factor from 2^74 to 2^752021-07-20SRBaseNFno factor from 2^73 to 2^742020-10-22SRBaseNFno factor from 2^72 to 2^732015-12-29SRS TechnologyNFno factor from 2^71 to 2^722015-12-29SRS TechnologyNFno factor from 2^70 to 2^712013-01-21VictordeHollanderNFno factor from 2^69 to 2^702012-09-30VictordeHollanderNFno factor from 2^68 to 2^692012-09-30VictordeHollanderNFno factor from 2^65 to 2^682010-11-15Charles A. MorrisNFno factor from 2^64 to 2^652010-06-03carlos56NFno factor from 2^63 to 2^64