Factor Info

ID 66433
Size 299 digits / 991 bits
Status composite
Value 15561064696584831471912168848553548880438193961395477312688122658877118098606625528033763184150812065649807496486743621988569302617560908483016401065669011255280335265714841693179786311120759494251253933827506243923440327565266779378760105737932010208712334123864622984008602377005930720937152045243

Factorizations

Primary (ID: 65978) 542059346041565200721 (proven prime)
(ID: 66434) 28707308176163438837581321004596929050498816123560201608145451553393796509186341244955130410965464732489450952999107634816200838722448579788658927832879795343475238279164164206501893233231522602961399782545151934243792810045898808063104028756907436513653839684847047504639057483 (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.