Factor Info

ID 183350
Size 256 digits / 848 bits
Status composite
Value 1837271589622931021903583045666995783623654907763990686528460447189549721854348285981277228961979213850362201617208382556850036050222943113310233360228586194776530490429275076948558301164135271307072636916026624996910345720411356613527189379948166161289857

Factorizations

Primary (ID: 147136) 20373094654699866379529360122950128475486289921 (proven prime)
(ID: 183351) 90181271955122001741571999403077418148370794293155577416916832204743399882311987680677886634429294343597287616009518845478404310324077945236291728533099979543995238176491007291525896021022044279602557773337217 (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.