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 statusMnStatusDetails138342403Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1202000B2 = 1649711910 PRPStatusDateUserResidueShiftTypeBaseVerified2025-07-02curtisc532644C0EBF17E7C10641758613 HistoryDateUserTypeResult2025-07-02belezbarCERTPRP CertificationCERT proof power = 8Proof certified good2025-07-02curtiscC-PRP532644C0EBF17E7CPRP proof power = 8PRP: VerifiedProof certified good2024-09-20Luke DurantNF-PM1B1=1202000, B2=16497119102024-08-22Ryan PropperNFno factor from 2^76 to 2^772024-07-17SRBaseNFno factor from 2^75 to 2^762024-05-06GregNFno factor from 2^69 to 2^702023-01-13SRBaseNFno factor from 2^74 to 2^752021-08-02SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732016-03-19workerthreadNFno factor from 2^71 to 2^722016-03-13workerthreadNFno factor from 2^70 to 2^712016-03-08Josh FamestadNFno factor from 2^69 to 2^702016-03-02dbaughNFno factor from 2^68 to 2^692016-02-16Ready4PrimeTimeNFno factor from 2^67 to 2^682015-02-07BrandonNFno factor from 2^66 to 2^672012-11-23RichardNFno factor from 2^65 to 2^662010-12-03RichardNFno factor from 2^64 to 2^652010-06-12Torchwood InstituteNFno factor from 2^63 to 2^64