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 statusMnStatusDetails137101661Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1440000B2 = 570457440 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-14Luke DurantEA4D15A88D84933C013 HistoryDateUserTypeResult2024-10-15JmaartvhesyCERTPRP CertificationCERT proof power = 8Proof certified good2024-10-14Luke DurantC-PRPEA4D15A88D84933CPRP proof power = 8PRP: VerifiedProof certified good2024-07-16RichardNFno factor from 2^76 to 2^772024-07-16RichardNFno factor from 2^75 to 2^762024-07-16S485122NF-PM1B1=1440000, B2=5704574402023-01-11SRBaseNFno factor from 2^74 to 2^752016-02-27taffaNFno factor from 2^73 to 2^742016-02-27taffaNFno factor from 2^72 to 2^732016-02-27taffaNFno factor from 2^71 to 2^722016-02-25guruNFno factor from 2^70 to 2^712016-02-25guruNFno factor from 2^69 to 2^702016-02-25guruNFno factor from 2^68 to 2^692016-02-19dbaughNFno factor from 2^67 to 2^682015-02-02rubikvn2100NFno factor from 2^66 to 2^672012-11-10Gordon SpenceNFno factor from 2^65 to 2^662010-11-29Charles A. MorrisNFno factor from 2^64 to 2^652010-06-10James HintzNFno factor from 2^63 to 2^64