Factor Info

ID 2522
Size 251 digits / 832 bits
Status composite
Value 20745585581751960008697586217412297314175681715398153601523055349814014036741961844316459180646822940589665275374964185227097416286698592580781314806428370142587025392775782268987950904408830135887907049701315012984654376172337190425206025952928268501

Factorizations

Primary (ID: 2779) 241573142393627673576957439049 (proven prime)
(ID: 19603) 85877036562071051313668980387643136166153578195904692618100701095462923242706447159935474514550101998502355414122978957194099253018884478466962575895791483655770060090443866419467806925322604407711393766033060090969339949 (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.