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 statusMnStatusDetails332276999Composite: proven not-prime with PRP test TFNo factors below 281TF target 281 P-1B1 = 2174000B2 = 92865000 PRPStatusDateUserResidueShiftTypeBaseVerified2025-05-24iucas6DF8C7240000C27A013 HistoryDateUserTypeResult2025-05-24Fabrice BelletCERTPRP CertificationCERT proof power = 11Proof certified good2025-05-24iucasC-PRP6DF8C7240000C27APRP proof power = 11PRP: VerifiedProof certified good2025-02-12Siarhei P.NF-PM1B1=2174000, B2=928650002023-10-18James HeinrichNFno factor from 2^67 to 2^682020-11-09Siarhei P.NFno factor from 2^80 to 2^812020-11-09Siarhei P.NFno factor from 2^79 to 2^802020-11-09Siarhei P.NFno factor from 2^78 to 2^792020-11-09Siarhei P.NFno factor from 2^77 to 2^782016-07-08Team_InspectorNFno factor from 2^76 to 2^772014-04-08Team_InspectorNFno factor from 2^75 to 2^762013-08-27Team_InspectorNFno factor from 2^74 to 2^752012-12-22Team_InspectorNFno factor from 2^73 to 2^742012-02-19Team_InspectorNFno factor from 2^72 to 2^732011-11-10Grant McCrackenNFno factor from 2^71 to 2^722011-06-07Grant McCrackenNFno factor from 2^70 to 2^712010-05-21Grant McCrackenNFno factor from 2^69 to 2^702009-07-13SunfishNFno factor from 2^68 to 2^69