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 statusMnStatusDetails244444471Composite: proven not-prime with PRP test TFNo factors below 279TF target 279 P-1B1 = 3250000B2 = 431627490 PRPStatusDateUserResidueShiftTypeBaseVerified2024-04-10zr_zirconC98C3C18DF57AACE013 HistoryDateUserTypeResult2024-04-10iwesCERTPRP CertificationCERT proof power = 9Proof certified good2024-04-10zr_zirconC-PRPC98C3C18DF57AACEPRP proof power = 9PRP: VerifiedProof certified good2023-10-08zr_zirconNF-PM1B1=3250000, B2=4316274902022-01-30zr_zirconNFno factor from 2^78 to 2^792022-01-15zr_zirconNFno factor from 2^77 to 2^782022-01-05zr_zirconNFno factor from 2^76 to 2^772021-12-26zr_zirconNFno factor from 2^75 to 2^762021-12-25zr_zirconNFno factor from 2^74 to 2^752021-12-24zr_zirconNFno factor from 2^73 to 2^742020-11-12SRBaseNFno factor from 2^72 to 2^732020-07-01SRBaseNFno factor from 2^71 to 2^722020-04-30SRBaseNFno factor from 2^70 to 2^712018-10-24Chabot PrimeNFno factor from 2^69 to 2^702018-05-18Niels_Mache_NextcloudNFno factor from 2^68 to 2^692016-10-13rubikvn2100NFno factor from 2^67 to 2^682015-12-07ANONYMOUSNFno factor from 2^66 to 2^672014-04-21tscNFno factor from 2^65 to 2^662011-07-16sasaki3NFno factor from 2^64 to 2^65