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 statusMnStatusDetails107535413Composite: proven not-prime with PRP test TFNo factors below 276TF target 276 P-1B1 = 833000B2 = 35895000 PRPStatusDateUserResidueShiftTypeBaseVerified2021-12-16George Woltman274DCE4C187C68FC5665700313 HistoryDateUserTypeResult2021-12-16freiburgerCERTPRP CertificationCERT proof power = 10Proof certified good2021-12-16George WoltmanC-PRP274DCE4C187C68FCPRP proof power = 10PRP: VerifiedProof certified good2021-12-02Ryan PropperNF-PM1B1=833000, B2=358950002021-12-01Jwb52zNF-PM1B1=759000, B2=210880002021-04-16TheJudgerNFno factor from 2^75 to 2^762021-04-16TheJudgerNFno factor from 2^74 to 2^752020-03-16Niels_Mache_NextcloudNFno factor from 2^73 to 2^742020-03-16Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-01-18planetclownNFno factor from 2^71 to 2^722014-11-12g0bNFno factor from 2^70 to 2^712014-06-15Andreas_TruetschNFno factor from 2^69 to 2^702013-09-25RobishNFno factor from 2^68 to 2^692013-09-22RobishNFno factor from 2^67 to 2^682013-09-20JMGarciaNFno factor from 2^66 to 2^672012-05-27RichardNFno factor from 2^65 to 2^662010-09-08Charles A. MorrisNFno factor from 2^64 to 2^652010-04-30RichardNFno factor from 2^63 to 2^64