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 statusMnStatusDetails112958459Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 516000B2 = 19049000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-05-08Ruslan Borisov87EE7118DE5A2F3F798887413 HistoryDateUserTypeResult2023-05-08curtiscCERTPRP CertificationCERT proof power = 10Proof certified good2023-05-08Ruslan BorisovC-PRP87EE7118DE5A2F3FPRP proof power = 10PRP: VerifiedProof certified good2022-03-28Ryan PropperNF-PM1B1=516000, B2=190490002021-04-02RNutterNFno factor from 2^76 to 2^772021-01-08arpcarNFno factor from 2^76 to 2^772020-09-25ktonyNFno factor from 2^75 to 2^762020-09-25FlaukrotistNFno factor from 2^74 to 2^752020-06-04TomNFno factor from 2^73 to 2^742020-03-31tscNFno factor from 2^72 to 2^732019-01-07Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-02-18Preben SNFno factor from 2^70 to 2^712014-11-17bunddogNFno factor from 2^69 to 2^702013-10-19RobishNFno factor from 2^68 to 2^692013-10-12AdolfNorNFno factor from 2^67 to 2^682013-10-11PEDNFno factor from 2^66 to 2^672012-06-03omiXorpNFno factor from 2^65 to 2^662010-09-27Torchwood InstituteNFno factor from 2^64 to 2^652010-05-05oodairaNFno factor from 2^63 to 2^64