Factor Info

ID 143962
Size 487 digits / 1616 bits
Status composite
Value 1780911541140729867733496384102514867606027770143071866202482573804702043285445957639017559458153546675615237763368378110317686944043954883074129249814418945192249816161343953928568129257041300958188407245140677961408760588844713794965011216656192555069353435646790398455002699911964752760061752794044579505823729216814175013129192824753327656262808256418124290749135765740437696364958623734687426997560783373766293219863544168353501485136730570880673660453503695789152552145759076406583

Factorizations

Primary (ID: 143130) 4330726762839043792388777 (proven prime)
(ID: 143963) 411226946114983841442529016179502736976470171893226724616157314532716912911367521342424491474861151729694900991880151175653969639465746692450114204722261060112187594831587216348718153860118419448266640221469883064640269379135206759777626360398927328686319133226483856458506212381505886241261099815562902400274904337030191730502543825291521443955377648890592122979863235607969573796749294423779551931687888073403283388428617946449477861592551548303665387378451679 (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.