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 statusMnStatusDetails112972477Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 748000B2 = 748000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-03-27curtiscF36C54459D3F8EEC3398501213 HistoryDateUserTypeResult2022-03-30curtiscCERTPRP CertificationCERT proof power = 8Proof certified good2022-03-27curtiscC-PRPF36C54459D3F8EECPRP proof power = 8PRP: VerifiedProof certified good2022-03-12curtiscNF-PM1B1=7480002020-12-19RNutterNFno factor from 2^76 to 2^772020-09-24ktonyNFno factor from 2^75 to 2^762020-09-24ktonyNFno factor from 2^74 to 2^752020-07-11Daniil TsarkovNFno factor from 2^73 to 2^742020-03-29tscNFno factor from 2^72 to 2^732019-01-06Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-02-18Brandon VincentNFno factor from 2^70 to 2^712015-02-15TMarshallNFno factor from 2^69 to 2^702015-02-11bunddogNFno factor from 2^68 to 2^692015-02-10el groccoNFno factor from 2^67 to 2^682014-11-15S. EichsteiningerNFno factor from 2^66 to 2^672012-06-04subgeniusNFno factor from 2^65 to 2^662010-09-27AliNFno factor from 2^64 to 2^652010-05-05vats09NFno factor from 2^63 to 2^64