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 statusMnStatusDetails135224039Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1667000B2 = 640090290 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-05Luke Durant0EE8C49F5EA69A1A013 HistoryDateUserTypeResult2024-10-06Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-10-05Luke DurantC-PRP0EE8C49F5EA69A1APRP proof power = 9PRP: VerifiedProof certified good2024-09-16S485122NF-PM1B1=1667000, B2=6400902902024-04-10Brent GoebelNFno factor from 2^76 to 2^772024-03-28Brent GoebelNFno factor from 2^75 to 2^762023-01-06SRBaseNFno factor from 2^74 to 2^752021-07-27SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732016-08-16DerekNFno factor from 2^71 to 2^722016-02-12Smok_bmv NFno factor from 2^70 to 2^712016-02-03Ready4PrimeTimeNFno factor from 2^69 to 2^702016-02-01Ready4PrimeTimeNFno factor from 2^68 to 2^692016-01-25Ready4PrimeTimeNFno factor from 2^67 to 2^682015-01-25aurashiftNFno factor from 2^66 to 2^672012-10-31OS1NFno factor from 2^65 to 2^662010-11-24Mr-PlonkNFno factor from 2^64 to 2^652010-06-08Mr-PlonkNFno factor from 2^63 to 2^64