Factor Info

ID 28070
Size 674 digits / 2238 bits
Status composite
Value 42521613578510532954702170006000874101397202475587920096357080744374423897075372808947296944431727370496033372160091810423018477425026168975603321195946782161540414981470837357519758898217621746368862863695915049191921887432161135892359132388730797854635808996834596348166492682716832747431544485081138751495583726179599939807599128684086589769422295534820028483837879307904087025198156563616009425318344415136962376572113778673299502801436037356075356214481315335420410307751693520323547109083969691362970925129696599356227924480050187359886490370351168427352313673972441855538675097303422786663989723485209368845193141548033465768584094056303903529619206883411175162635991

Factorizations

Primary (ID: 2141) 11111111111111111111111 (proven prime)
(ID: 28071) 3826945222065947965923233569992299328605407455138612731665423321068249536864100207038467407494224104346713388168483205179115130102134040039856090058936231734939035909232964724494127691198678286820442599009544341210141174294884597673724423326728720652893960053948380958541513281045054431078424418790112938178913319600351895712065710714763796598205127255240950201511391188983920241769849204637330687481068695854372987198365050767555498982001227012554457614293138392457962472273795348213043819442280010176149513699867116742162274698341515533557205756078588573617043802715080552884216929195335201605287917282960796548083435618495841527138049299423536276081 (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.