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 statusMnStatusDetails123862793Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 2000000B2 = 1619037420 PRPStatusDateUserResidueShiftTypeBaseVerified2024-07-07Luke Durant35431148B7C92E1E013 HistoryDateUserTypeResult2024-07-07Schnell LabCERTPRP CertificationCERT proof power = 9Proof certified good2024-07-07Luke DurantC-PRP35431148B7C92E1EPRP proof power = 9PRP: VerifiedProof certified good2024-05-26Anton RepkoNF-PM1B1=2000000, B2=16190374202022-07-02TheJudgerNFno factor from 2^76 to 2^772022-07-02TheJudgerNFno factor from 2^75 to 2^762022-05-26Yves de WandelaarNFno factor from 2^74 to 2^752019-06-14Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-06-14Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-11-18SRS TechnologyNFno factor from 2^71 to 2^722015-08-16Tommy7373NFno factor from 2^70 to 2^712015-06-18Judge HaleNFno factor from 2^69 to 2^702015-06-18Judge HaleNFno factor from 2^68 to 2^692015-06-18Judge HaleNFno factor from 2^67 to 2^682014-11-18sasakiNFno factor from 2^66 to 2^672012-08-30OS1NFno factor from 2^65 to 2^662010-10-29RichardNFno factor from 2^64 to 2^652010-05-22OS1NFno factor from 2^63 to 2^64