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 statusMnStatusDetails102864833Composite: 1 known prime factor FactoredFactorDigitsBitsDate28083617473527933401839032581.22021-03-03 23:46:36 P-1 factorsDateFactorB1B22021-03-03280836174735279334018390310000001000000 HistoryDateUserTypeResult2021-03-03ZenzomaF-PM1Factor: 2808361747352793340183903 / (P-1, B1=1000000)2020-10-27RichD0NFno factor from 2^75 to 2^762020-10-24ktonyNFno factor from 2^74 to 2^752020-01-31Hans LoeblichNFno factor from 2^73 to 2^742020-01-30Dylan DelgadoNFno factor from 2^72 to 2^732014-01-01SRS TechnologyNFno factor from 2^71 to 2^722014-01-01SRS TechnologyNFno factor from 2^70 to 2^712014-01-01SRS TechnologyNFno factor from 2^69 to 2^702014-01-01SRS TechnologyNFno factor from 2^68 to 2^692014-01-01SRS TechnologyNFno factor from 2^67 to 2^682013-09-09JoDuNFno factor from 2^66 to 2^672012-04-26KYOJI_KAMEINFno factor from 2^65 to 2^662010-08-20Torchwood InstituteNFno factor from 2^64 to 2^652010-04-191997rj7NFno factor from 2^63 to 2^64