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 statusMnStatusDetails139432421Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 682000B2 = 31914750 PRPStatusDateUserResidueShiftTypeBaseVerified2025-04-12curtiscF533BABEFC6DCE024649191013 HistoryDateUserTypeResult2025-04-12ChuckCERTPRP CertificationCERT proof power = 8Proof certified good2025-04-12curtiscC-PRPF533BABEFC6DCE02PRP proof power = 8PRP: VerifiedProof certified good2024-09-23Ryan PropperNF-PM1B1=682000, B2=319147502024-08-30ViliNFno factor from 2^76 to 2^772024-07-14SRBaseNFno factor from 2^75 to 2^762023-01-18SRBaseNFno factor from 2^74 to 2^752021-08-05SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732016-08-21Ilya AlexandrovNFno factor from 2^71 to 2^722016-08-20Mihai PredaNFno factor from 2^70 to 2^712016-08-19DerekNFno factor from 2^69 to 2^702016-08-19DerekNFno factor from 2^68 to 2^692016-08-17sasaki3NFno factor from 2^67 to 2^682015-02-10Karol TNFno factor from 2^66 to 2^672012-11-29RichardNFno factor from 2^65 to 2^662010-12-06sasaki3NFno factor from 2^64 to 2^652010-06-13em99010pepeNFno factor from 2^63 to 2^64