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 statusMnStatusDetails101388277Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 697000B2 = 19366000 PRPStatusDateUserResidueShiftTypeBaseVerified2020-12-09ky0urakuE4F7C1DA8D9C4D792688506213 HistoryDateUserTypeResult2020-12-09John BarrettCERTPRP CertificationCERT proof power = 9Proof certified good2020-12-09ky0urakuC-PRPE4F7C1DA8D9C4D79PRP proof power = 9PRP: VerifiedProof certified good2020-12-01tottenhoffNF-PM1B1=697000, B2=19366000, E=62020-10-07Jon PaceNFno factor from 2^76 to 2^772020-10-07Jon PaceNFno factor from 2^75 to 2^762020-10-07Jon PaceNFno factor from 2^74 to 2^752020-03-29SRBaseNFno factor from 2^73 to 2^742019-11-21Alvin BunkNFno factor from 2^72 to 2^732014-12-06RichD0NFno factor from 2^71 to 2^722014-07-15ANONYMOUSNFno factor from 2^70 to 2^712014-07-12Preben SNFno factor from 2^69 to 2^702014-07-11SMoffatNFno factor from 2^68 to 2^692014-07-09SMoffatNFno factor from 2^67 to 2^682013-08-25Preben SNFno factor from 2^66 to 2^672012-04-15Mr-PlonkNFno factor from 2^65 to 2^662010-08-13sasaki3NFno factor from 2^64 to 2^652010-03-011997rj7NFno factor from 2^63 to 2^64