Factor Info

ID 216379
Size 529 digits / 1755 bits
Status composite
Value 1648984854726957571539540730744849702046919579850134674017740699006147907494439713655003407548532745172280375573008486406095388277470717097320688511909862157572824379362283118880410727540443131125677545352214985015167156731973670666209564647953665174826075995024803043408818571665721442109411572613789061524369840758518727193940127062371171446604007879051088018675931909529639990622725953413877918117758789675934455511487527978175333191478182376612421978687485302984268778212814020175462364481051954091838496264965358880481095527

Factorizations

Primary (ID: 216380) 1054909897438284677035453533223298330997247 (proven prime)
(ID: 216381) 1563152321095203319844396136809110019686019208734575048361075953694289262677046972255861301297136494413377525106280066109876221005749208145635300068821203998265119082690293637730188759630111870230596903934567282305438616069885544633529219005414070095618563517738899898449790812705626925174657581655225239516140642831831670697746653663470880403659651892618134649655264886966221475480149017777095073600635011087259137040081619768255241750547962091251498497347390277206373456377622057497241 (proven prime)

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.