Factor Info

ID 67538
Size 783 digits / 2599 bits
Status composite
Value 171786953983956140346630019899749934399821596352487027210306761597028159309817421049543629901210419100709150717021318366277361066751934870299052162765576485614153776354132761043279274380238554119939873906180656945145337333736896728455897778280742193549729034830409411101816940786872578892835654804197353061531970202361485064880374107038507623118094213846164767517441460993534524239697123614610642507242474725058406026340724808526367454260447741593956736202750093561107305462363986011039415229004683440962545134608030694902547805537381193145661281816194097947821464776202313817637087202246713197546731958092737007081312990559446628659074617290246796027961141401251463683334085813194540013522422886100219890110599800793294556137686721471087863846946341400372811746452694266678698971841

Factorizations

Primary (ID: 65724) 21162386787273369601 (proven prime)
(ID: 67539) 8117560448676107362259886827192588476507312147092126835488678547125036374819406619639947622631205613804168462116990638748391746825346023247586260256903937167162683782366709082473236636749870085784524602831034423739867635890680509233414814433290641748093824355574049730989333735683311768885120339974373208178155176453572341909638325187938273746624687752401451348154961281242765444785712489814582120812134168971337548240917315132873137574251961903320889789564928876959806929346627176251832135419185381066441636588204023653196612859201129424749229250849012072848819603922847867055749237027022021221910885676559470579265115339677478375041100015888093604099606403817502549669538381657351361984373838746516293203861962925200919099605518110408376031526586505233996098241 (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.