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 statusMnStatusDetails114008753Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 512000B2 = 19309000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-08-28-Anonymous-B458E448629095362487363913 HistoryDateUserTypeResult2024-06-23James HeinrichNFno factor from 2^72 to 2^732023-08-28curtiscCERTPRP CertificationCERT proof power = 8Proof certified good2023-08-28-Anonymous-C-PRPB458E44862909536PRP proof power = 8PRP: VerifiedProof certified good2022-04-18Ryan PropperNF-PM1B1=512000, B2=193090002021-09-09burkhajoNFno factor from 2^76 to 2^772020-10-17KrieselNFno factor from 2^75 to 2^762020-10-17KrieselNFno factor from 2^74 to 2^752020-08-06John BarrettNFno factor from 2^73 to 2^742019-04-24ConductorNFno factor from 2^72 to 2^732019-01-16Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-03-29driveByUpgradesNFno factor from 2^70 to 2^712015-03-22driveByUpgradesNFno factor from 2^69 to 2^702015-03-13-Anonymous-NFno factor from 2^68 to 2^692015-03-02g0bNFno factor from 2^67 to 2^682014-04-11jfarekNFno factor from 2^66 to 2^672012-06-10sasaki3NFno factor from 2^65 to 2^662010-10-01sasaki3NFno factor from 2^64 to 2^652010-05-05BattlemaxxNFno factor from 2^63 to 2^64