Factor Info

ID 43057
Size 267 digits / 885 bits
Status composite
Value 257728728974478624102584783784445966627941936771770239516900520254689679530562177300601991578908416168366137507682853461162548983576566363634316563833931830662950132806893518684413382258213177086440530080973414165158461398833957542565366764178377580101835666800185823

Factorizations

Primary (ID: 76) 76674415738994499773 (proven prime)
(ID: 43058) 3361339326690231021753799910148514610327421946080384685406787409008478841232588499152821275539127665592971102342547383774461880362807494946840091074690475302619529027250665931399075256104926580351456837763380102872763569682465306047318254365723851 (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.