Factor Info

ID 31694
Size 467 digits / 1550 bits
Status composite
Value 20180418799651425492962931187957023148355586891972350671679476431793526005578200266548351622636036302993446542267580375218359062811789574329529216445703741793625201852134903773201981819617856767947158469411667603811804303510418825773311518017343238926296114459291952193522017833820021602107606483003850126016263812033125583568721572168004893670211554272262795771696144268735677070737842381704071346031616336622456144516264648860361553969781047433046978685354739994257

Factorizations

Primary (ID: 17287) 1543716606774880990775734941009568252713968653903070066195497 (proven prime)
(ID: 31695) 13072618841493308165548784847634861142329180579534132657254574154643855571023640532459139169954626178936858119581460063989524893618176332127569806946071459681879539487464555947182719000422079317914923354145532306258226311301304520629262348537936439399699713607519001193770304430663720934263701352990252313570085234337140312487104606410172764726545551103217712785553393981990185395916315688961153915503447081 (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.