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 statusMnStatusDetails135002293Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1280000B2 = 510302940 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-04Luke Durant5831F88F64CFA385013 HistoryDateUserTypeResult2024-10-04Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-10-04Luke DurantC-PRP5831F88F64CFA385PRP proof power = 9PRP: VerifiedProof certified good2024-05-16S485122NF-PM1B1=1280000, B2=5103029402024-02-02mikrNFno factor from 2^76 to 2^772024-02-02mikrNFno factor from 2^75 to 2^762023-01-07SRBaseNFno factor from 2^74 to 2^752018-12-19mikrNFno factor from 2^73 to 2^742018-12-19mikrNFno factor from 2^72 to 2^732016-02-10guruNFno factor from 2^71 to 2^722016-02-02guruNFno factor from 2^70 to 2^712016-01-25Adam StinchcombeNFno factor from 2^69 to 2^702016-01-22DerekNFno factor from 2^68 to 2^692016-01-22DerekNFno factor from 2^67 to 2^682015-01-24aurashiftNFno factor from 2^66 to 2^672012-10-29ALSNFno factor from 2^65 to 2^662010-11-24sasaki3NFno factor from 2^64 to 2^652010-06-07oodairaNFno factor from 2^63 to 2^64