Factor Info

ID 197338
Size 384 digits / 1275 bits
Status composite
Value 512999903555365070789786697736393527662923308741125088704278128228370013227102306507890244513768132102295037860640923504728016032869977206523630508715358372854713997209289955033713318237779193482982702692378759507339155977313672240925199216169144938354230809887239243583605453586914984785907732250155607581184930138001246448661515215129330544433566790025065106963638907725574844312991

Factorizations

Primary (ID: 17308) 1900581447695608861720541432162196235943188135358020191236919601518484848360439908536086336269936365305819071792172483 (proven prime)
(ID: 197339) 269917347755530400986248634436072341356576588371553616101448735689146688750962559428276514549882512908273100558121489545026093904164265000321865165381398335290128052078588151975969677312927659118418642914052615451114042137445197533611338796656687025303480301630674677 (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.