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 statusMnStatusDetails140255329Composite: 1 known prime factor FactoredFactorDigitsBitsDate1963952123825840591532473229615444799938123.92024-09-26 01:56:46 P-1 factorsDateFactorB1B22024-09-261963952123825840591532473229615444799912010001307713440 HistoryDateUserTypeResult2024-09-26Luke DurantF-PM1Factor: 19639521238258405915324732296154447999 / (P-1, B1=1201000, B2=1307713440)2024-08-28Ryan PropperNFno factor from 2^76 to 2^772023-11-18tscNFno factor from 2^75 to 2^762023-01-19SRBaseNFno factor from 2^74 to 2^752021-11-02SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732017-03-05JoDuNFno factor from 2^71 to 2^722017-02-23JoDuNFno factor from 2^70 to 2^712015-05-07Judge HaleNFno factor from 2^69 to 2^702015-05-07Judge HaleNFno factor from 2^68 to 2^692015-05-07Judge HaleNFno factor from 2^67 to 2^682015-02-21RichardNFno factor from 2^66 to 2^672012-11-27sasaki3NFno factor from 2^65 to 2^662010-12-09Thomas StorkNFno factor from 2^64 to 2^652010-06-14Torchwood InstituteNFno factor from 2^63 to 2^64