Factor Info

ID 137420
Size 637 digits / 2116 bits
Status composite
Value 7708572152722944890625761757898424029895086554384134345763873210391685219677599956010335283881077719308917479076800083336200078618217952699836709367879275941335445390791904178297074074988370674984169874897217787214475111135867277378534629355483172417770839193192420117361740206232264288671313515712789637192290503690468083926256925334924429761036029752660225485989033453192247437261494917248295619657234874935902442399297473106229152228959537535978065234416664396729263790956436134838743532440678368473070425846499609062849906657700040830603566336959962421140372014330883776997003006190968689064173591034864017093051466618659080860317551

Factorizations

Primary (ID: 171383) 60995271744164064381251354574233758233622988684863 (proven prime)
(ID: 172305) 126379831293406598349361366954949261727723897775802894966385013646454321950355267528855103020440507450287804764379936568295309400013519282028162257890210699356582645175977551615991633470892147661494925327718222924095001669182609055241011472813535593106375072241714289836875368807056543646064897204201853025143161475044174349164517605140576702110536432190132960993661858431507045097370703182626044054773077529929763260764586248536628265460231087232391997635250744062707208064125551102206871619222855127555708346154767953531632153387783139152057446601402623490077612409331264749350725933777 (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.