Factor Info

ID 145464
Size 452 digits / 1499 bits
Status composite
Value 15856902435153116778498989783353100622564880859127405855500476058351003237906324311023822085986815885010527786085375309706830493196218326340238527653386851208459044571959458201260376488830746551653635918848092054617465947335484456632425846088629239098116057512978435891074727729238596991417680633161641426154912202243007529270291597211863652814634927330512514428222332893970513168768760780032811744401293582395469504415800528260246035476866144363201241

Factorizations

Primary (ID: 4228) 26273701844015319144827917 (proven prime)
(ID: 181320) 603527532180054652097158364493383722825049166116049956834073531168285208209945659227369390158456093052669271623877440251223184866999311431123904125253083583603153002897076198558272416721367173821266724381602405952752661772121793066396582028546412918895156047941272364622975949326919016583167878877729517633850298502782646109646552319682350029768646206126660042671893869478897717496710357515917000573978646330417845763064414973 (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.