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 statusMnStatusDetails136484497Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 666000B2 = 30682470 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-15Luke DurantD1D6C2636426C382013 HistoryDateUserTypeResult2024-10-16Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-10-15Luke DurantC-PRPD1D6C2636426C382PRP proof power = 9PRP: VerifiedProof certified good2024-09-11Ryan PropperNF-PM1B1=666000, B2=306824702024-07-13Brent GoebelNFno factor from 2^76 to 2^772024-05-24JacobZNFno factor from 2^75 to 2^762023-01-10SRBaseNFno factor from 2^74 to 2^752021-07-29SRBaseNFno factor from 2^73 to 2^742020-10-22SRBaseNFno factor from 2^72 to 2^732016-03-15guruNFno factor from 2^71 to 2^722016-02-25guruNFno factor from 2^70 to 2^712016-02-19Ready4PrimeTimeNFno factor from 2^69 to 2^702016-02-15Ready4PrimeTimeNFno factor from 2^68 to 2^692016-02-13dbaughNFno factor from 2^67 to 2^682015-01-30vwflat4NFno factor from 2^66 to 2^672012-11-08subgeniusNFno factor from 2^65 to 2^662010-11-29RichardNFno factor from 2^64 to 2^652010-06-09Torchwood InstituteNFno factor from 2^63 to 2^64