Factor Info

ID 28128
Size 771 digits / 2559 bits
Status composite
Value 168627361470356577278015189936460418125380507916842570459671303173350454249256538503710732354700788349656869431750405966261528144524833899204247170906577190961038387279433659606604277502176491334783005248370454343415035475471830910344431067008218100970918649640738131079701500378774723508353802795068054447092168362114075615187237930391855071250252132636130554701928807251413384271585824149972688334419002099036878225138832553138190736623301411605014974657124303043184135283773947669344990562437785305255458573246858942980802295197145839224742290066896209576174024476188970962718458143531291891284288896173399206310708199785561481077250757954240802492214454485198587923462403973056312274817491319200596820709126922338865299873264618283574506646547040930764413879129100479

Factorizations

Primary (ID: 28129) 8064516766269216375973031 (proven prime)
(ID: 28130) 20909791170087241787358870655077510093669396189710675647082578900918083179832709538389280570043259266612755345898923615161751015382998672781953675628488844710861576603977941778717876211555730540410857960859742864980729346953692978539264468219871228062299395792285726232827679486898456174053986786885003465380998796236151729573084612284597980930589102888571460355358572317129951263611501714441008433085790367198406144626503596051756956599984787085790481942101920372193903870424153866849896715686180592301492593292385029684438682318606660262013193816347794061162163330975416644135804418312749402177514299544389940515192732877705864626400476219005423024123827163167108958166407972435861394678088846904094687412875186915430706407735624508128921927209 (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.