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 statusMnStatusDetails127058881Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 755000B2 = 80287158 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-05Luke Durant303360D72028F851013 HistoryDateUserTypeResult2024-08-07Jarod McClintockNFno factor from 2^68 to 2^702024-08-05Luke DurantCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-05Luke DurantC-PRP303360D72028F851PRP proof power = 8PRP: VerifiedProof certified good2024-07-15flip2433NF-PM1B1=755000, B2=802871582022-08-28TheJudgerNFno factor from 2^76 to 2^772022-08-28TheJudgerNFno factor from 2^75 to 2^762022-08-28TheJudgerNFno factor from 2^74 to 2^752021-07-11SRBaseNFno factor from 2^73 to 2^742020-10-26SRBaseNFno factor from 2^72 to 2^732016-05-02mes15-002NFno factor from 2^71 to 2^722016-04-25andrew892NFno factor from 2^70 to 2^712016-04-21SteinfattNFno factor from 2^69 to 2^702016-04-21DerekNFno factor from 2^68 to 2^692015-08-17el groccoNFno factor from 2^67 to 2^682015-01-22RichardNFno factor from 2^66 to 2^672012-09-21Mark ScudderNFno factor from 2^65 to 2^662010-11-04Martti JärviNFno factor from 2^64 to 2^652010-05-27Mr-PlonkNFno factor from 2^63 to 2^64