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 statusMnStatusDetails115306717Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 509000B2 = 19209000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-12-11ky0urakuD722FC04E22791AD11364313013 HistoryDateUserTypeResult2023-12-11Chalkey300CERTPRP CertificationCERT proof power = 10Proof certified good2023-12-11ky0urakuC-PRPD722FC04E22791ADPRP proof power = 10PRP: VerifiedProof certified good2022-05-11Ryan PropperNF-PM1B1=509000, B2=192090002022-04-18TheJudgerNFno factor from 2^76 to 2^772021-06-01TheJudgerNFno factor from 2^75 to 2^762021-06-01TheJudgerNFno factor from 2^74 to 2^752020-11-02buteraNFno factor from 2^73 to 2^742020-04-24SRBaseNFno factor from 2^72 to 2^732015-06-04SMoffatNFno factor from 2^71 to 2^722015-05-25SMoffatNFno factor from 2^70 to 2^712015-05-13SMoffatNFno factor from 2^69 to 2^702015-05-08SMoffatNFno factor from 2^68 to 2^692015-03-01workerthreadNFno factor from 2^67 to 2^682014-11-27subgeniusNFno factor from 2^66 to 2^672012-06-18HardyP GermanyNFno factor from 2^65 to 2^662010-10-07RichardNFno factor from 2^64 to 2^652010-05-08sasaki3NFno factor from 2^63 to 2^64