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 statusMnStatusDetails137373959Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 676000B2 = 31127040 PRPStatusDateUserResidueShiftTypeBaseVerified2025-02-09Naegi Makoto8A30BFE6664CABFE2259682113 HistoryDateUserTypeResult2025-02-09kkmrkkblmbrbkCERTPRP CertificationCERT proof power = 10Proof certified good2025-02-09Naegi MakotoC-PRP8A30BFE6664CABFEPRP proof power = 10PRP: VerifiedProof certified good2024-09-16Ryan PropperNF-PM1B1=676000, B2=311270402024-08-04JacobZNFno factor from 2^76 to 2^772024-06-29JacobZNFno factor from 2^75 to 2^762023-01-21SRBaseNFno factor from 2^74 to 2^752021-07-31SRBaseNFno factor from 2^73 to 2^742020-10-27SRBaseNFno factor from 2^72 to 2^732016-03-15Andreas_TruetschNFno factor from 2^71 to 2^722016-02-25guruNFno factor from 2^70 to 2^712016-02-25guruNFno factor from 2^69 to 2^702016-02-19Ready4PrimeTimeNFno factor from 2^68 to 2^692016-02-13CSLatDDNFno factor from 2^67 to 2^682015-02-03sannerud.comNFno factor from 2^66 to 2^672013-01-10sasaki3NFno factor from 2^65 to 2^662010-11-30sasaki3NFno factor from 2^64 to 2^652010-06-10BattlemaxxNFno factor from 2^63 to 2^64