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 statusMnStatusDetails11699561Composite, with 1 known prime factor. Cofactor is composite. FactoredFactorDigitsBitsDate1541534157371237.2old PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2021-10-15MarkSAB7F896110D172751667412153 HistoryDateUserTypeResult2025-06-20yuriy_5-1NFno factor from 2^70 to 2^712025-05-12yuriy_5-1NFno factor from 2^69 to 2^702025-03-17yuriy_5-1NFno factor from 2^68 to 2^692025-03-11yuriy_5-1NF-PM1B1=7019736, B2=4531183802025-02-14yuriy_5-1NF-PM1B1=4679824, B2=6041658002024-06-17yuriy_5-1NF-PM1B1=262144, B2=1356799502021-10-15curtiscCERTPRP CertificationProof certified good2021-10-15MarkSC-PRPM11699561/154153415737 : AB7F896110D17275PRP proof power = 8PRP: VerifiedProof certified good