Factor Info

ID 66944
Size 539 digits / 1789 bits
Status composite
Value 20201554437769019410211460081803569600762675346665268001081446258441069251903467237622936472418654635003859515467117418860054987845879792586316142290352642414813346838214160426029308941082056498875693712925536681039759677432516670699760935313660735818313388127064261665101337644740968278460236802802263298615028027192960055142386183104764413850685071361940214036474246700593024083549614220815339621133590438564585068230298755971515158661131956701913534923221697234552819039024279390454485661397249831729435217035294782867647928802097115499

Factorizations

Primary (ID: 66205) 25193731479774394872461773 (proven prime)
(ID: 66945) 801848446070280992419050540726292787452118133736697169369612888906758427712845179543170676714437657408765805013509104696051667970762018712706528414015965542753749473287841642577366942714232148316594992101989250737719180140754283314389046764827042337221687560023168978788786472987830023773083829095682005945755251471730322767405666229492216413550571172045042465074415035634999854454444835180454786309107057643859577465712902844287807145172225484742846670480761793288941038970255296972126374567318073029139121520663 (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.