Factor Info

ID 31855
Size 498 digits / 1654 bits
Status composite
Value 518471250624685699592036540784150773853172159657194181996483445588062026030394074365681037854072851428924934422880894665883755670841885146738549336603832211524438659264791188646363763978250656824277651929096931914695097758184063140537186693868641670666169891190113293716684950243915951153397136763988369348534503983674709059640994525716820639860981283571521771807262383116609480626661753762661324196243994348208831924908746091690208833075234409451680229626232482578245611223585353601028773638073299

Factorizations

Primary (ID: 7801) 645713046609322314853680166583746607554804642574000491766071336813418581059790114227534500054604009048841812405990227771092219 (proven prime)
(ID: 31856) 802943743118106613782173908862374104786028900784385757945417018701979987242552932380117690257151747292736502717271280838171442633495293399251489366597890693764293025928362016565352703554870973719256072363855765769427502928414712893982360489957815310328345889650093204630429443584720283423968625593803558169083721907370518693857818839741645069206529883786019858272462509321 (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.