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 statusMnStatusDetails115440811Composite: proven not-prime with PRP test TFNo factors below 276TF target 276 P-1B1 = 1255000B2 = 1255000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-03-02Cherkashin15A37DF3AC192E418380828513 HistoryDateUserTypeResult2022-03-02curtiscCERTPRP CertificationCERT proof power = 10Proof certified good2022-03-02CherkashinC-PRP15A37DF3AC192E41PRP proof power = 10PRP: VerifiedProof certified good2022-02-14CherkashinNF-PM1B1=12550002021-06-02TheJudgerNFno factor from 2^75 to 2^762021-06-02TheJudgerNFno factor from 2^74 to 2^752020-11-07buteraNFno factor from 2^73 to 2^742020-04-24SRBaseNFno factor from 2^72 to 2^732015-03-28C.D.B.NFno factor from 2^71 to 2^722015-03-22TaikelennNFno factor from 2^70 to 2^712015-03-07SMoffatNFno factor from 2^69 to 2^702015-03-04SMoffatNFno factor from 2^68 to 2^692015-02-26XebecerNFno factor from 2^67 to 2^682014-11-27sannerud.comNFno factor from 2^66 to 2^672012-06-19Mr-PlonkNFno factor from 2^65 to 2^662010-10-06carlos56NFno factor from 2^64 to 2^652010-05-08G-ManNFno factor from 2^63 to 2^64