Factor Info

ID 72738
Size 756 digits / 2510 bits
Status composite
Value 311654556424437884764917506431952883515267799458880980499989607452956870774530573072305203392634032915376412549833154823789287232417515068628853486728949806165569260780471375142785916024059917578649570783380126700443410914415427986480669296180277725775253540419567048742080967526934111442055614604197519304518344280879938998910634722974038808438892517556406900080837729832814369570000293931053191083436728405865750521424153428774727053426790835486228492897569221209842921912109700017679697178741137963708978668649548950704576057401594124950625521506251948792255237291871407824570032108963685429831657458398945948529796082830128474651228161792397015590293256665589845724169180218102401462837423707636832920409152004877218188753036074148499067131905058895191

Factorizations

Primary (ID: 70770) 1648686329813620234549081 (proven prime)
(ID: 72739) 189032049813665667909004225367313770188835771402522610312032567877938413165140209949729523893806496061981686611066920416836540643820887533334891712151460232839221818097754905940384236348734316242412982317995971085375151287936540910248225913021481323144911045543113083922695486425320444706971916957543712184165393157333314488680633884528545431567775964674590189273083935254038776317598867555862335779250282666063834391198271515421624868280433032896497188550838666379774337589759152316129860144868935869826419497596018340823023184850679320521947607126199493436198210777527234197097446853526391629275460414175048305199331390899703004255767231204303180589153216658235996705331856485337659420006180320849505166435433598979909180631051311 (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.