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 statusMnStatusDetails116347219Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 838000B2 = 28423000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-07-17Sergey Nosov645A858BE3D21DF71346926713 HistoryDateUserTypeResult2022-07-18rduerrCERTPRP CertificationCERT proof power = 8Proof certified good2022-07-17Sergey NosovC-PRP645A858BE3D21DF7PRP proof power = 8PRP: VerifiedProof certified good2022-06-26Architects CubedNFno factor from 2^76 to 2^772022-02-06Sergey NosovNF-PM1B1=838000, B2=284230002021-01-07Runtime ErrorNFno factor from 2^75 to 2^762021-01-07Runtime ErrorNFno factor from 2^74 to 2^752021-01-07Runtime ErrorNFno factor from 2^73 to 2^742020-04-25SRBaseNFno factor from 2^72 to 2^732015-04-24endless_mikeNFno factor from 2^71 to 2^722015-04-24endless_mikeNFno factor from 2^70 to 2^712015-04-20Nick WagersNFno factor from 2^69 to 2^702015-04-14-Anonymous-NFno factor from 2^68 to 2^692015-04-08bunddogNFno factor from 2^67 to 2^682014-12-16RichardNFno factor from 2^66 to 2^672012-06-27Christopher TompkinsNFno factor from 2^65 to 2^662010-10-08Torchwood InstituteNFno factor from 2^64 to 2^652010-07-10garoNFno factor from 2^63 to 2^64