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 statusMnStatusDetails128767493Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1058000B2 = 852299910 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-07Luke Durant824E6B8E9E8ED4CA013 HistoryDateUserTypeResult2024-09-07Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-09-07Luke DurantC-PRP824E6B8E9E8ED4CAPRP proof power = 9PRP: VerifiedProof certified good2024-09-06Luke DurantNF-PM1B1=1058000, B2=8522999102023-03-05JurzalNFno factor from 2^76 to 2^772023-03-05JurzalNFno factor from 2^75 to 2^762022-12-27SRBaseNFno factor from 2^74 to 2^752015-12-14taffaNFno factor from 2^73 to 2^742015-12-14taffaNFno factor from 2^72 to 2^732015-12-14taffaNFno factor from 2^71 to 2^722015-12-14taffaNFno 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 2^682015-01-10nikoszNFno factor from 2^66 to 2^672012-10-01lindeeNFno factor from 2^65 to 2^662010-11-08Charles A. MorrisNFno factor from 2^64 to 2^652010-05-30Mr-PlonkNFno factor from 2^63 to 2^64