Factor Info

ID 187860
Size 643 digits / 2134 bits
Status composite
Value 1652861293827179812511905787174723944700820851563262036296094025936635164635744895180726667776053310455654376313953429883076840907007961971783068988088637348771128426187359726767932174545037658928980066631626405591948906221194975384468734465353006698384435411096354695450449326875894421938707359620543678341137850447098213458995729634901685306561349924259352766231152801045924634660944863031033295020623431329097124571451146356609436284646562164738068224607130114654179439284642858465606832584157303509501840121185035574030155749038279083419672759797413738731847054477281397305492172490550556341340806784895527555383509903402634027873941072869

Factorizations

Primary (ID: 152181) 186876755095849018355108664925786534845973652409098845965209518441187042394836572162215388198405266036965211920142964962869 (proven prime)
(ID: 187861) 8844659642016086313889692148099637714037813028065181080675093141392964275118262686957247362128550000627747530046142746779901596311779736577124889984340756462448439989274210772579293111983812365663746094140624517747508953692649762160787455817955780301505800610122703552217836768102755428697001608639989333346502041355504499377161262763873131020825900214938006249375000771603985674091760380542740070691270751517590719023803674316451461171035591314084797426176017066645596733831192800996541979577802990366678559656099190001 (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.