Factor Info

ID 139314
Size 263 digits / 872 bits
Status composite
Value 19974152678525938426370197681738738401456840570837527741797361973014549230715558542447132998057277926449327164730428989049433664699418570585240305171969407925462315494737746691310245056496205505804190116249240081741366821065930193653666902777925459122995817500447

Factorizations

Primary (ID: 138920) 15342966686333527854523 (proven prime)
(ID: 139315) 1301844231749362811125880163712662024375704390263608053826798805604648597960272019573496939898097959708534080954489398192991502381155641499049984854894673720604443701362308794160861757611321848219209975209526563298157017781490497381702417389 (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.