Factor Info

ID 148212
Size 546 digits / 1812 bits
Status composite
Value 157721883650031502429734544694800649578292872766211289987855562170423441826399739790589057358878229160346575398990214472252117554445150480635626334060318705091839908960833006756738732324814701356179301697406695773910046905492524413190568502345159215851604314217223535814017990501104556351026842248010518795350880882607090422319477231050438834412619777126513104075595709546922220933720537408679455682780400799731831437043845274253490465926157241571923537853195264229291513458247297169869849171073806128496741740371136921652792403776104969396677641

Factorizations

Primary (ID: 147099) 171813927594772108174052851 (proven prime)
(ID: 148213) 917980782221700440642787228536276566826043821994446604431996031904288420195370523702484260626890182067075615946515031506505132285130020283675512494961198427307216099605916131193793217321481010515580523410179359900763750889708943527310779261485265290798529811710572438328876303099809135681671672867955129961903609112809488531979851558883727803773212319380850058745133644833085857623839541631223688902788252689414296636482079526270058841757667380593915110204274787677541932889934110544096720227532380076103336075302998291 (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.