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 statusMnStatusDetails104248789Composite: proven not-prime with PRP test TFNo factors below 276TF target 276 P-1B1 = 870000B2 = 18270000 PRPStatusDateUserResidueShiftTypeBaseVerified2021-06-03Ben Delo83BD1CAF9AA44BC72341691413 HistoryDateUserTypeResult2021-06-03GIMPS-PRIMCERTPRP CertificationCERT proof power = 8Proof certified good2021-06-03Ben DeloC-PRP83BD1CAF9AA44BC7PRP proof power = 8PRP: VerifiedProof certified good2021-06-01Ben DeloNF-PM1B1=870000, B2=18270000, E=122021-02-04TheJudgerNFno factor from 2^75 to 2^762021-02-04TheJudgerNFno factor from 2^74 to 2^752020-04-10Dylan DelgadoNFno factor from 2^73 to 2^742020-04-09tscNFno factor from 2^72 to 2^732015-01-18workerthreadNFno factor from 2^71 to 2^722014-10-21SMoffatNFno factor from 2^70 to 2^712014-10-17SMoffatNFno factor from 2^69 to 2^702014-10-14SMoffatNFno factor from 2^68 to 2^692014-06-08SMoffatNFno factor from 2^67 to 2^682014-05-16webbertNFno factor from 2^66 to 2^672012-05-11omiXorpNFno factor from 2^65 to 2^662010-08-31RichardNFno factor from 2^64 to 2^652010-04-18subgeniusNFno factor from 2^63 to 2^64