Factor Info

ID 23504
Size 519 digits / 1723 bits
Status composite
Value 256905385750985684702944542421876289603387516266513622011553192582607598162834146583177003532026042752960445644704887918906786685502618505731599365385371236349366812093189937037117026061428504571918464035691104029626724321809385652639385372919183941231026068796457069934479098233154772339868751852688654630599805807821219219233143120436530072660018981099414626998232878129614970145631677285963431844625737564355647057141568048228786494691611895631040003294126406645219244925996478585468960840397241440436939805052015597

Factorizations

Primary (ID: 8564) 99640870978732398443 (proven prime)
(ID: 23505) 2578313328933267005181032037850824624349686756361924618097912253757631114939765241352633305867346218148523363562914710601719937315220396371833432357903947801790883518260337755763658702333639557543470050790497393153072455189960257773852628023680096562744686598777286027900257323687592317793244131839930346785104093739602587252138623493579675886734379063102349464669940579451453358976266766568509450859231496567494415232117475460528367242021141011805452982277890905552228773226954220299526810944950279 (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.