Factor Info

ID 101209
Size 321 digits / 1066 bits
Status composite
Value 686943270881353997311589369713019359058399135056038660956412462807928795872497779228611521578937887692648531884127544205204938447214704349334550366187388924563632545227750286334401549742844758089652314877412713788511585430325983239488534295386410301777372593226192563177958625057630827739447034911443293772357766230837869

Factorizations

Primary (ID: 8) 1929584153756850496621 (proven prime)
(ID: 101210) 356005862477618919114027394939940976946189661304648527451050971618724999310502311757755176974710734241402618067470428184652674016041638029506461283080978873967506520824248087319109272658121551527370427080274308709342467247528577397490216409963595038349002214220204936263055996809143179493822692146689 (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.