Factor Info

ID 148211
Size 571 digits / 1895 bits
Status composite
Value 1643464980302287471847385715273633299728991583297129580811520142351156394844846845706868211165191997859621287326712143974906219930980371019554258686074503655281408248386665744655755309942415163910702654835245864730970579065671576984520099539079551321525753091314396946077237700661310350364406346724404983041266419711927884853907717107964383769255597395890930647744832778348927382821952381032678168141300551393544747913182803532179487276770245651789495708387536782687986265660679028434228968071198879322382438622417002496301771388976784616588353360260124871107972329703341

Factorizations

Primary (ID: 147732) 10420018720731016427597701 (proven prime)
(ID: 148212) 157721883650031502429734544694800649578292872766211289987855562170423441826399739790589057358878229160346575398990214472252117554445150480635626334060318705091839908960833006756738732324814701356179301697406695773910046905492524413190568502345159215851604314217223535814017990501104556351026842248010518795350880882607090422319477231050438834412619777126513104075595709546922220933720537408679455682780400799731831437043845274253490465926157241571923537853195264229291513458247297169869849171073806128496741740371136921652792403776104969396677641 (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.