Factor Info

ID 128740
Size 638 digits / 2118 bits
Status composite
Value 20139217600953715799531352873812513253337844270403316126879532013328264404443872430235939773506367855587437103047844287721784742014271157734710442998763820649400341912738547186973083403657669962485463397222633072339024901472755340999852247117758679991291121429084089872719290748583422088022847877681002935752148955676229671179233413481732600336825250036095259172186140861201515446149314133036367167009392314842862205254314043272419367800575338001231331828862641285703043539017208137545736498649416821517843096578174217249748980807383844450102551572475141448188071493800390112890780482822518115309545306489788519386358244739207006097925291

Factorizations

Primary (ID: 48998) 604565947691411250869786011323161111398650285475896277749207757454199990278884331 (proven prime)
(ID: 128743) 33311862300311663795497893266974075772855208705542710924568877629310731375588599527204771425182102224136392675217838705564740369132847859922667267602519957379777378054470634827221386464341501173355874766161613115847064794743850473900191145564512084982766022501446867611074131003890790624743066825070434873716638568209610301227051856287940516286726751964740927410385819387050790526776115382458489680228458960734036068180609818205916038992133241206629701374035905676560161806710199959435919624782932857757245280852380972838665625614038409982466797877475908161 (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.