Factor Info

ID 81768
Size 145 digits / 479 bits
Status composite
Value 1547303592995904364805010869118517962057312578071388245212181429318775509088986992039082339425506547275284613581873985090183016103012411278537529

Factorizations

Primary (ID: 81249) 18395991999690679845639708791828361185901172403825165053 (proven prime)
(ID: 81769) 84110908127266067733141060373275547823700949102141284877098678034092353738367661424909293 (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.