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 statusMnStatusDetails129063839Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1124000B2 = 1501684800 PRPStatusDateUserResidueShiftTypeBaseVerified2024-08-19Luke Durant600CEB5412088AE0013 HistoryDateUserTypeResult2024-08-19George WoltmanCERTPRP CertificationCERT proof power = 8Proof certified good2024-08-19Luke DurantC-PRP600CEB5412088AE0PRP proof power = 8PRP: VerifiedProof certified good2024-07-30Luke DurantNF-PM1B1=1124000, B2=15016848002023-02-18JurzalNFno factor from 2^76 to 2^772023-02-18JurzalNFno factor from 2^75 to 2^762022-12-23SRBaseNFno factor from 2^74 to 2^752021-07-15SRBaseNFno factor from 2^73 to 2^742020-11-16SRBaseNFno factor from 2^72 to 2^732016-04-21Choi4KANGNFno factor from 2^71 to 2^722016-03-06Choi4KANGNFno factor from 2^70 to 2^712016-02-06Choi4KANGNFno factor from 2^69 to 2^702015-12-02el groccoNFno factor from 2^68 to 2^692015-11-28saffaNFno factor from 2^67 to 2^682015-01-16el groccoNFno factor from 2^66 to 2^672012-10-06RichardNFno factor from 2^65 to 2^662010-11-09Torchwood InstituteNFno factor from 2^64 to 2^652010-05-30kiwiboyNFno factor from 2^63 to 2^64