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 statusMnStatusDetails11271223Composite, with 3 known prime factors. Cofactor is composite. FactoredFactorDigitsBitsDate55905266091032.4old644898803657211445.92008-09-08 07:29:136447467097740391549.22014-04-24 10:41:10 PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2021-06-23Luigi MorelliC874F86F7CE889FC3801632853 HistoryDateUserTypeResult2025-06-02vshNFno factor from 2^71 to 2^722025-05-26vshNF-PM1B1=10000000, B2=200212782002025-04-03vshNFno factor from 2^70 to 2^712025-03-11vshNFno factor from 2^69 to 2^702025-02-08vshNFno factor from 2^68 to 2^692024-06-22vshNF-PM1B1=625000, B2=2968984202024-05-19vshNF-PM1B1=312500, B2=608592602021-06-23chuenkitCERTPRP CertificationProof certified good2021-06-23Luigi MorelliC-PRPM11271223/5590526609/64489880365721/644746709774039 : C874F86F7CE889FCPRP proof power = 8PRP: VerifiedProof certified good2014-04-24TJAOIFFactor: 6447467097740392008-09-08Will EdgingtonFFactor: 64489880365721