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 statusMnStatusDetails136804721Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 679000B2 = 31165260 PRPStatusDateUserResidueShiftTypeBaseVerified2024-10-14Luke Durant9B072EF84D805A35013 HistoryDateUserTypeResult2024-10-15Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-10-14Luke DurantC-PRP9B072EF84D805A35PRP proof power = 9PRP: VerifiedProof certified good2024-09-12Ryan PropperNF-PM1B1=679000, B2=311652602024-07-26TheJudgerNFno factor from 2^76 to 2^772024-07-26TheJudgerNFno factor from 2^75 to 2^762023-01-11SRBaseNFno factor from 2^74 to 2^752021-07-29SRBaseNFno factor from 2^73 to 2^742020-10-22SRBaseNFno factor from 2^72 to 2^732016-05-08Choi4KANGNFno factor from 2^71 to 2^722016-03-06Choi4KANGNFno factor from 2^70 to 2^712015-12-24La GüiraNFno factor from 2^69 to 2^702015-12-24La GüiraNFno factor from 2^68 to 2^692015-12-24La GüiraNFno factor from 2^67 to 2^682015-02-02ANONYMOUSNFno factor from 2^66 to 2^672012-11-08KoekieNFno factor from 2^65 to 2^662010-11-30RichardNFno factor from 2^64 to 2^652010-06-11subgeniusNFno factor from 2^63 to 2^64