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 statusMnStatusDetails114007783Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 512000B2 = 19308000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-08-15scan80269D1FC56833E0417659120845713 HistoryDateUserTypeResult2024-06-23James HeinrichNFno factor from 2^72 to 2^732023-08-15Dry Creek PhotoCERTPRP CertificationCERT proof power = 8Proof certified good2023-08-15scan80269C-PRPD1FC56833E041765PRP proof power = 8PRP: VerifiedProof certified good2022-04-05Ryan PropperNF-PM1B1=512000, B2=193080002021-09-09burkhajoNFno factor from 2^76 to 2^772020-10-15KrieselNFno factor from 2^75 to 2^762020-10-15KrieselNFno factor from 2^74 to 2^752019-05-21Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-04-23ConductorNFno factor from 2^72 to 2^732019-01-16Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-04-08-Anonymous-NFno factor from 2^70 to 2^712015-03-19-Anonymous-NFno factor from 2^69 to 2^702015-03-11PascalBieriNFno factor from 2^68 to 2^692015-03-02g0bNFno factor from 2^67 to 2^682014-04-11jfarekNFno factor from 2^66 to 2^672012-06-10carlos56NFno factor from 2^65 to 2^662010-10-01Thomas StorkNFno factor from 2^64 to 2^652010-05-05w00dyNFno factor from 2^63 to 2^64