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 statusMnStatusDetails140071147Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 814000B2 = 82801530 PRPStatusDateUserResidueShiftTypeBaseVerified2025-09-14S00030CCC9E39F39C6ED75013 HistoryDateUserTypeResult2025-09-14Sage RussellCERTPRP CertificationCERT proof power = 9Proof certified good2025-09-14S00030C-PRPCCC9E39F39C6ED75PRP proof power = 9PRP: VerifiedProof certified good2024-09-26Ryan PropperNF-PM1B1=814000, B2=828015302024-08-22Luke DurantNFno factor from 2^76 to 2^772023-09-09tscNFno factor from 2^75 to 2^762023-01-21SRBaseNFno factor from 2^74 to 2^752021-10-31SRBaseNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732017-08-18EPFNFno factor from 2^71 to 2^722017-08-09David BarleyNFno factor from 2^70 to 2^712015-05-05Judge HaleNFno factor from 2^69 to 2^702015-05-05Judge HaleNFno factor from 2^68 to 2^692015-05-05Judge HaleNFno factor from 2^67 to 2^682015-02-17KYOJI_KAMEINFno factor from 2^66 to 2^672012-11-26HBendtzNFno factor from 2^65 to 2^662010-12-09James HintzNFno factor from 2^64 to 2^652010-06-14Torchwood InstituteNFno factor from 2^63 to 2^64