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 statusMnStatusDetails11666939Composite, with 2 known prime factors. Cofactor is composite. FactoredFactorDigitsBitsDate526645626471135.6old2061723029482761431857.52015-06-25 11:36:57 PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2021-10-04mrhF916BAACC529D5ED21050225753 HistoryDateUserTypeResult2025-06-13yuriy_5-1NFno factor from 2^70 to 2^712025-05-06yuriy_5-1NFno factor from 2^69 to 2^702025-03-28yuriy_5-1NFno factor from 2^68 to 2^692025-03-10yuriy_5-1NF-PM1B1=7000158, B2=4534358402024-08-22yuriy_5-1NF-PM1B1=2800000, B2=63828649502021-10-04DerekCERTPRP CertificationProof certified good2021-10-04mrhC-PRPM11666939/52664562647/206172302948276143 : F916BAACC529D5EDPRP proof power = 8PRP: VerifiedProof certified good2015-06-25TJAOIFFactor: 206172302948276143 / TF: 57-58