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 statusMnStatusDetails128827463Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1124000B2 = 1501684800 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-15Luke DurantD9BB433BB0CEA893013 HistoryDateUserTypeResult2024-08-15Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-08-15Luke DurantC-PRPD9BB433BB0CEA893PRP proof power = 9PRP: VerifiedProof certified good2024-07-28Luke DurantNF-PM1B1=1124000, B2=15016848002023-02-04TravisJankNFno factor from 2^76 to 2^772023-02-04TravisJankNFno factor from 2^75 to 2^762022-12-25SRBaseNFno factor from 2^74 to 2^752019-06-01Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-06-01Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-12-18Earle LoweNFno factor from 2^71 to 2^722015-12-18Richard_OtterNFno factor from 2^70 to 2^712015-12-13La GüiraNFno factor from 2^69 to 2^702015-12-13La GüiraNFno factor from 2^68 to 2^692015-11-16La GüiraNFno factor from 2^67 to 2^682015-01-11tscNFno factor from 2^66 to 2^672012-10-01ALSNFno factor from 2^65 to 2^662010-11-10RichardNFno factor from 2^64 to 2^652010-05-30Jud McCranieNFno factor from 2^63 to 2^64