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 statusMnStatusDetails103828709Composite: 1 known prime factor FactoredFactorDigitsBitsDate2215872617899656124459512477.62021-05-17 12:16:57 P-1 factorsDateFactorB1B22021-05-1722158726178996561244595176500022726000 HistoryDateUserTypeResult2021-05-17Simon JosefssonF-PM1Factor: 221587261789965612445951 / (P-1, B1=765000, B2=22726000, E=12)2020-08-14Bill StaffenNFno factor from 2^75 to 2^762020-08-14mrk74NFno factor from 2^74 to 2^752019-08-28Niels_Mache_NextcloudNFno factor from 2^73 to 2^742019-08-28Niels_Mache_NextcloudNFno factor from 2^72 to 2^732017-12-10el groccoNFno factor from 2^71 to 2^722015-01-03La GüiraNFno factor from 2^70 to 2^712014-10-28-Anonymous-NFno factor from 2^69 to 2^702014-10-20-Anonymous-NFno factor from 2^68 to 2^692014-10-14g0bNFno factor from 2^67 to 2^682014-07-07arnaudNFno factor from 2^66 to 2^672012-05-02sasaki3NFno factor from 2^65 to 2^662010-08-24Torchwood InstituteNFno factor from 2^64 to 2^652010-04-24monstNFno factor from 2^63 to 2^64