Factor Info

ID 20670
Size 273 digits / 907 bits
Status composite
Value 778228715882443008700068435385957285883606777803651320663959158138989879207871811806811628166936555105848005768662284931609441983294145127807329740556013806937121166333960136234113298842206505887045002581914689664703848296163793690667263841138888838620003595644937436085311

Factorizations

Primary (ID: 16269) 2158365113981511371558358567665231 (proven prime)
(ID: 28858) 360563980042678424312466409467304889247997801923904570516327969566114188347474694899419927059347543786826645828125788486146256397046109278576637741284520229337015254360996112463928803971465634384015171872476394653531545714319351586408273681 (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.