Factor Info

ID 163837
Size 263 digits / 872 bits
Status composite
Value 18900967471714658264676226124411512596015645399069064775197544556544051814182580866319209762294823219726994409693515234484734568157742275900073877599942698194724589706790215942731022558115315223281848549418660419687567762461075458459331643943316524839473849558493

Factorizations

Primary (ID: 163522) 711722995847507981153 (proven prime)
(ID: 163838) 26556634508075292082587892296182790964055287690770139181070484518233362358538214879095461455354723643479279931268982207254397984258594327390925349690635786280705039419184585186972371278866171528349760207706576405308519280027910874695147126781 (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.