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 statusMnStatusDetails110509559Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 521000B2 = 19634000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-09-03ky0uraku05F81B685013AE5B10400520513 HistoryDateUserTypeResult2024-08-31Jarod McClintockNFno factor from 2^72 to 2^732022-09-03curtiscCERTPRP CertificationCERT proof power = 9Proof certified good2022-09-03ky0urakuC-PRP05F81B685013AE5BPRP proof power = 9PRP: VerifiedProof certified good2022-03-12Ryan PropperNF-PM1B1=521000, B2=196340002022-01-09David HruskaNFno factor from 2^76 to 2^772021-05-07TheJudgerNFno factor from 2^75 to 2^762021-05-07TheJudgerNFno factor from 2^74 to 2^752020-07-01Knut Andreas BrungotNFno factor from 2^73 to 2^742020-04-29GROBERTSNFno factor from 2^72 to 2^732019-01-23Niels_Mache_NextcloudNFno factor from 2^71 to 2^722013-10-10SMoffatNFno factor from 2^70 to 2^712013-10-07SMoffatNFno factor from 2^69 to 2^702013-10-05SMoffatNFno factor from 2^68 to 2^692013-10-02SMoffatNFno factor from 2^67 to 2^682013-09-30RobishNFno factor from 2^66 to 2^672012-05-27omiXorpNFno factor from 2^65 to 2^662010-09-22RichardNFno factor from 2^64 to 2^652010-05-02garoNFno factor from 2^63 to 2^64