Factor Info

ID 155906
Size 689 digits / 2287 bits
Status composite
Value 17618795965434756804824691195424596375191451398602374195540776516136392891214506859947034352788668756900827883956742973973551249800134775398818505883995611859364935398990440464198871262988469425207490901547908992227933805745444628115751616873374866058576008877968630902375619641606911913796524303069011298409919869206946200877173669031571995255786018774293654073613583632038671838212518263659083599365595226450700391308183536537820342853301073281883284430153777487267455678649721246055467727653153837037599666382117969527768219425077770711257710934813806210724929207958416335692836380152870703955891394488821578607340885764131232377266110694607325348684571929203448973104588746939454783781

Factorizations

Primary (ID: 155907) 1962171989486844920285764789 (proven prime)
(ID: 155908) 8979231209004514895584638146427792454018546966421821550525915616447119521395260911125515117341399638017273206765168704324591587506411764705844125824882168777814026906737260965586084873487862803036089212577418754726327298048511677227136341605827908286150408195134552466055446802572742764580346447820170775650108048373021998342284041146743820924956474964347443343530411504046063753183416849239665312214306160129846659200637904680695487714066564184800676356545064788556035109715834501832563908377504675148822203680510638378239325427144689809560126981235462840691947585698010578776955652455294845577770074736733533766913221875783375786474837472500289283276724734129 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.