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 statusMnStatusDetails11657717Composite, with 1 known prime factor. Cofactor is composite. FactoredFactorDigitsBitsDate16787112491030.6old PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2021-10-01mrh66DDC8CAB1F7CDA41336918653 HistoryDateUserTypeResult2025-06-12yuriy_5-1NFno factor from 2^70 to 2^712025-05-05yuriy_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=6994626, B2=4534358402025-02-10yuriy_5-1NF-PM1B1=4663084, B2=5980088402024-06-17yuriy_5-1NF-PM1B1=262144, B2=1370226002021-10-01Ben DeloCERTPRP CertificationProof certified good2021-10-01mrhC-PRPM11657717/1678711249 : 66DDC8CAB1F7CDA4PRP proof power = 8PRP: VerifiedProof certified good