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 statusMnStatusDetails118212869Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 687000B2 = 70809480 PRPStatusDateUserResidueShiftTypeBaseVerified2024-03-09ky0uraku52B5E22F2A929D0F11783969613 HistoryDateUserTypeResult2024-03-09John AireyCERTPRP CertificationCERT proof power = 10Proof certified good2024-03-09ky0urakuC-PRP52B5E22F2A929D0FPRP proof power = 10PRP: VerifiedProof certified good2023-06-11oodairaNF-PM1B1=687000, B2=708094802022-05-10TheJudgerNFno factor from 2^76 to 2^772021-07-04TheJudgerNFno factor from 2^75 to 2^762021-03-20hktNFno factor from 2^74 to 2^752019-08-18Niels_Mache_NextcloudNFno factor from 2^73 to 2^742016-04-27snme2pm1NFno factor from 2^72 to 2^732015-04-06SMoffatNFno factor from 2^71 to 2^722014-10-31snme2pm1NFno factor from 2^70 to 2^712014-07-12snme2pm1NFno factor from 2^69 to 2^702014-06-30snme2pm1NFno factor from 2^68 to 2^692014-05-07snme2pm1NFno factor from 2^66 to 2^682012-07-13sasaki3NFno factor from 2^65 to 2^662010-10-13Charles A. MorrisNFno factor from 2^64 to 2^652010-05-13Torchwood InstituteNFno factor from 2^63 to 2^64