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 statusMnStatusDetails11662003Composite, with 1 known prime factor. Cofactor is composite. FactoredFactorDigitsBitsDate2339098554803031547.7old PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2021-10-03kutens55EFAA4C55E60DA81809683753 HistoryDateUserTypeResult2025-06-12yuriy_5-1NFno factor from 2^70 to 2^712025-05-06yuriy_5-1NFno factor from 2^69 to 2^702025-03-31yuriy_5-1NFno factor from 2^68 to 2^692025-03-10yuriy_5-1NF-PM1B1=6997200, B2=4534358402025-02-10yuriy_5-1NF-PM1B1=4664800, B2=5980088402024-06-17yuriy_5-1NF-PM1B1=262144, B2=1370226002021-10-03lquentiCERTPRP CertificationProof certified good2021-10-03kutensC-PRPM11662003/233909855480303 : 55EFAA4C55E60DA8PRP proof power = 8PRP: VerifiedProof certified good