Factor Info

ID 21887
Size 407 digits / 1350 bits
Status composite
Value 18798965303062467878190495883123896010354641299031697286356699828733048239324644917532873290549199608707412783124365135335817811008953898046786206557156944741971997460903498677360819517905754430346848170291498465818938526041953657070691125338512613920205412456283158848949114239710147798994142719008391730303978023325577187178664417684700344918690439363846112021639902432574573456504852973277393347279008563

Factorizations

Primary (ID: 30644) 607908582660024388924617637192913497 (proven prime)
(ID: 30645) 30924000481789338116455323524057145087062124662802164370749459925131716444480116006889636815926870933761178426542416384902613849491406491201507778123085001885735378724793874781038883020003391763809753803070089118292984550547437623783028721934903831672604781792308835536943343325065442796014900316193105939911972347734183378475807061883558042602593469925484212217401935979 (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.