Factor Info

ID 55409
Size 310 digits / 1030 bits
Status composite
Value 7881212706904269047230409104631555101484702479606970397213526890606968159267313774872271842105152154780498274121236146931493822317701904315750988928765327487132508581305396152777954651327900910640207784227461591761939422515770818793908805922689763283633726298056420271865462685455639505387920582216690395271537

Factorizations

Primary (ID: 54830) 2519545342349331183143 (proven prime)
(ID: 55410) 3128029718074250368028926106163009137055275298053489697568982812794815002942173275403064933529139838493253519655568064187179539397798346589849269235816000215070133774605832778290050157160071812994055180990429365395053775437372550297315673641906303345005861634775876205175693042585106862759 (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.