Factor Info

ID 156177
Size 900 digits / 2990 bits
Status composite
Value 991935613777663141881348237326261614121538800166962505471825453484659329918795381305710856887663653734582821155411380034749262154119004781378860394076266770129466747780898259383741964616720802703775015448267453215887560591209584376586234096698491328770737058256486118244448664936861014143289916696563129235188612080508969495600607671221760181111957581298675549928664433843598204796489239855650793551994041875633789392008743721540369869082748793520052019081006730827910176469619791790409475043588807220118835818096861147199136165550404777717811604695304661408987797869903690365823715641221331752681301545794868213646599220711882034066045281762903276850428532972215207986049111205280174099926870999400293474768504354245574753885110147777476528316495346696548043915052107366165788153037434158105016265416963307299340283013365187705981213355917786627310341055629687629422630074474340715990040065580746609

Factorizations

Primary (ID: 188781) 492720843616088468400497945831939180277753459209351199481 (proven prime)
(ID: 190130) 2013179727688861595072782360505790538515474770437480390291881619567008141959532737275278234924722618871788295921512422433031573747520587879854283765368297618945596376996198993388911489340578223755437834421410806046315466676104357551993844015716689255114111556521095081099392218578285575232492780622495443619141742979215402158837105216862610753589955832765762374589524229267391796919120431734281750400585680385360775085377468691207624101168591593382402180689851129962699935452895735653154339208208599586126775556395841124647933489783848584176704291765561396027894284691063686681982858800763943320442968575383038480509026095934589259146875109601106098592254144488591479944707434377544347374730733128743815585264964410834332593618481507941931517133579237390435880632203767269710617544334352341824274381586877979173764767254567117195033095123768889 (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.