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 statusMnStatusDetails114013853Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 512000B2 = 19309000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-08-14Tomas BabejC3DC9228DA206853954753313 HistoryDateUserTypeResult2024-06-23James HeinrichNFno factor from 2^72 to 2^732023-08-14curtiscCERTPRP CertificationCERT proof power = 10Proof certified good2023-08-14Tomas BabejC-PRPC3DC9228DA206853PRP proof power = 10PRP: VerifiedProof certified good2022-04-05Ryan PropperNF-PM1B1=512000, B2=193090002021-09-09burkhajoNFno factor from 2^76 to 2^772021-04-30La GüiraNFno factor from 2^75 to 2^762021-04-01La GüiraNFno factor from 2^74 to 2^752020-08-05John BarrettNFno factor from 2^73 to 2^742019-05-03ConductorNFno factor from 2^72 to 2^732019-01-15Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-05-11linamentNFno factor from 2^70 to 2^712015-05-11linamentNFno factor from 2^69 to 2^702015-03-08guytheninjaNFno factor from 2^68 to 2^692015-03-03g0bNFno factor from 2^67 to 2^682014-04-17jfarekNFno factor from 2^66 to 2^672012-06-10subgeniusNFno factor from 2^65 to 2^662010-10-01Torchwood InstituteNFno factor from 2^64 to 2^652010-05-05subgeniusNFno factor from 2^63 to 2^64