Factor Info

ID 181379
Size 439 digits / 1456 bits
Status composite
Value 1613888253490843655858783915763693101453002974532097460262152108546435833304564006973727091446776498040541337222555120399503612052719443704556443040899752741817709684845113170969738100445600085276736331657414264759692985409468303925520112892211773472748978414014247642335727147993362967742792935285786690322793855011351297512815523613110243306046759101380493329976695160088553128514294825000754892844642535215339134016794919063425416591843

Factorizations

Primary (ID: 11631) 12833070437721262405919444749126850063599263479114742377376863084594289791974787092715242460058184837063283 (proven prime)
(ID: 181380) 125760102488568427840321928765997686437626976356299745658538396011553548728905846912057090108633769154988889901475694196606240684621272994927197592806850209343853152455813062108452169007690019812729922915312069071882743372657164065505708601689482621263686749362576461703902661374113774547141207990307492466278763021153360872042266321 (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.