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 statusMnStatusDetails11619379Composite, with 4 known prime factors. Cofactor is composite. FactoredFactorDigitsBitsDate897945609131136.4old259948049825271444.62008-09-08 07:36:5130531067479083111651.42014-06-26 11:44:581003429127448667699612166.42020-03-26 16:42:26 PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2021-09-19LuminescenceB5F037554D431D1D4776775353 HistoryDateUserTypeResult2025-07-07yuriy_5-1NFno factor from 2^71 to 2^722025-04-10yuriy_5-1NFno factor from 2^70 to 2^712025-04-09yuriy_5-1NFno factor from 2^69 to 2^702025-03-28yuriy_5-1NFno factor from 2^68 to 2^692025-03-11yuriy_5-1NF-PM1B1=6971622, B2=4487214602024-08-21yuriy_5-1NF-PM1B1=2800000, B2=54990820502021-09-19PluckyPizzicatoCERTPRP CertificationProof certified good2021-09-19LuminescenceC-PRPM11619379/89794560913/25994804982527/3053106747908311/100342912744866769961 : B5F037554D431D1DPRP proof power = 8PRP: VerifiedProof certified good2020-03-26TJAOIFFactor: 100342912744866769961 / TF: 66-672014-06-26TJAOIFFactor: 30531067479083112008-09-08Will EdgingtonFFactor: 25994804982527