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 statusMnStatusDetails110547341Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 521000B2 = 19641000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-05-17ConductorDBFD80D6E57F9CF15489698113 HistoryDateUserTypeResult2024-08-31Jarod McClintockNFno factor from 2^72 to 2^732022-05-17GIMPS-PRIMCERTPRP CertificationCERT proof power = 8Proof certified good2022-05-17ConductorC-PRPDBFD80D6E57F9CF1PRP proof power = 8PRP: VerifiedProof certified good2022-03-12Ryan PropperNF-PM1B1=521000, B2=196410002021-12-12David HruskaNFno factor from 2^76 to 2^772021-05-09TheJudgerNFno factor from 2^75 to 2^762021-05-09TheJudgerNFno factor from 2^74 to 2^752020-07-03David HruskaNFno factor from 2^73 to 2^742020-04-21GROBERTSNFno factor from 2^72 to 2^732019-01-21Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-09-19ITSNFno factor from 2^70 to 2^712015-08-21ITSNFno factor from 2^69 to 2^702015-08-11-Anonymous-NFno factor from 2^68 to 2^692015-08-06ITSNFno factor from 2^67 to 2^682014-12-04g0bNFno factor from 2^66 to 2^672012-05-26omiXorpNFno factor from 2^65 to 2^662010-09-18WPSNFno factor from 2^64 to 2^652010-05-01rabbutNFno factor from 2^63 to 2^64