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 statusMnStatusDetails119802481Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 1000000B2 = 638336790 PRPStatusDateUserResidueShiftTypeBaseVerified2024-01-03Dmitry BolshakovFB62BD13A4B6CDFE1483761813 HistoryDateUserTypeResult2024-01-03EssenzCERTPRP CertificationCERT proof power = 8Proof certified good2024-01-03Dmitry BolshakovC-PRPFB62BD13A4B6CDFEPRP proof power = 8PRP: VerifiedProof certified good2023-02-06Mihai PredaNF-PM1B1=1000000, B2=6383367902022-05-22TheJudgerNFno factor from 2^76 to 2^772021-07-10TheJudgerNFno factor from 2^75 to 2^762021-07-10TheJudgerNFno factor from 2^74 to 2^752021-04-23NumberwangNFno factor from 2^73 to 2^742020-10-19SRBaseNFno factor from 2^72 to 2^732015-06-07PascalBieriNFno factor from 2^71 to 2^722015-05-25PascalBieriNFno factor from 2^70 to 2^712015-05-10Mihai PredaNFno factor from 2^69 to 2^702015-04-25Mihai PredaNFno factor from 2^68 to 2^692015-04-14Mihai PredaNFno factor from 2^67 to 2^682014-12-18ANONYMOUSNFno factor from 2^66 to 2^672012-07-28sasaki3NFno factor from 2^65 to 2^662010-10-17AliNFno factor from 2^64 to 2^652010-05-16G-ManNFno factor from 2^63 to 2^64