Factor Info

ID 173504
Size 951 digits / 3159 bits
Status composite
Value 664897283415083961474616408242222336834089792528156150386810876496094113305177164406793148353215609027764929955782835943776990110399040929908041548047076259703913035158546584474901306553174391580186501479645955427255940639036787004799339820278388756992904831487787349331719738747240754111556462690022029190056314291939233899011456929052834791602424839934460772977170027564309423476989408993101459359616198957743823579104185484721052359806696501891064968058654604669634721723056904818301532617609072161999584923670827492502862922263712901115003438406705640798455370133290688769002035649259368323434024035429782147100921095459874255785408560339104488412806372182370863656843954553010851459372669504003225004365473030668596420710370008556536534776414893723465106486170526533784558993591842359546609244973392478947051946922420158890194223152936993184744565630006648421413439107264918309807375492193915881310946595515651751742229064905207245562494029613039

Factorizations

Primary (ID: 171733) 1599277183924083741742033858490377187880148347082612286403104842030658336420826922219007105667623905667099030034108373537631939668380081923094540764917799966611751 (proven prime)
(ID: 173505) 415748620751064276508772743903126440162882741244146607881104442143983380963539175048558697495327877511464627658686212578942563195880821173998596388458983983972061866146969365560890278944704662482849067927659673194710183118186165117326739426169938562345088707713395392176370420902693069061746387266264491437084209404337153413445926607048871454697511962940035820618739064923520843224125821631991140915705613409150901884194791390569526235206244321872791324670160784497990619760615241972997734141230969059625118592582589284038040966309367929044015786022794965492072025095953973252911537510000452929520961517847412579637096588201453024541069486474910567545074075292108216462838073693410252943266216624481516013987920614839731037604056142440520177181051748163410364476465328424923466546816567289 (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.