Factor Info

ID 28206
Size 651 digits / 2163 bits
Status composite
Value 874198729703948204573404311147651126847167172877651965968887873839032144752613565252809676672839997681068593946747686423933047812299495943199181894946428431523249764694147061111634535073909369517376407414270211345520926978311568829442581359858958142189919882377643479657270405392077760408679042951650362901061401846019555959290883870877616233004990980739078582485518996931584140708082772476358765534636404483333226486769026326395796844575357024717445723596599831059277913649357173769120427240305591457407467940775554907955724819760400810936993464574527743209824307896042495570455617946809239150271935006866936892906994812296622860854516026539853652371

Factorizations

Primary (ID: 2144) 900900900900990990990991 (proven prime)
(ID: 28207) 970360589971285471017481647123185102922788533209084932140293602240226319224327713395760285933249629154115680360371661030033354364392633557798042339701212110830501539618996790667831325947957220841725109829442502602973076278414445798628397835132817913902839801363815627111254629394097174952538056846290355073521777488193786474160510982808963085599394350706707459034224559854211466662911865959846340014735757713379748226078881100119149475571152121699996636788561057100598411045110035157008592227239395207399213904654203754046437055566501209892468555092365992442383646240677380794921743759042300875652135678317297147135923755413181 (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.