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 statusMnStatusDetails132934261Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 650000B2 = 30558330 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-23Luke DurantF258B87AD86DEB39013 HistoryDateUserTypeResult2024-09-25Wolfy339CERTPRP CertificationCERT proof power = 9Proof certified good2024-09-23Luke DurantC-PRPF258B87AD86DEB39PRP proof power = 9PRP: VerifiedProof certified good2024-08-26Ryan PropperNF-PM1B1=650000, B2=305583302024-06-26JurzalNFno factor from 2^76 to 2^772024-06-22bayanneNFno factor from 2^75 to 2^762023-01-02SRBaseNFno factor from 2^74 to 2^752016-02-11Gordon BowerNFno factor from 2^73 to 2^742016-02-11Gordon BowerNFno factor from 2^72 to 2^732016-02-11Gordon BowerNFno factor from 2^71 to 2^722016-02-11Gordon BowerNFno factor from 2^70 to 2^712016-02-11Gordon BowerNFno factor from 2^69 to 2^702016-02-11Gordon BowerNFno factor from 2^68 to 2^692016-02-11Gordon BowerNFno factor from 2^67 to 2^682015-01-20tscNFno factor from 2^66 to 2^672012-10-19sasaki3NFno factor from 2^65 to 2^662010-11-18Mr-PlonkNFno factor from 2^64 to 2^652010-06-05Saksa HeikkiNFno factor from 2^63 to 2^64