Factor Info

ID 148304
Size 538 digits / 1785 bits
Status composite
Value 1387308100328794631231504815256213127652384836582870792145183742870896103097237594539017529591196451821755987412123176475155734848397381759655334744125930605932085291247893599626132450737980634533365902671998210306447870240383643386693996513488735647798868114110598215210083390351300469851801812895933330556130144910435722633943064407002424729050243387626124467448164079925074412530041481854490545874138364699788722691074976482811843424750683821338645446639865378070833865772902845920949718499901651742538545482174543446818504522040287161

Factorizations

Primary (ID: 147109) 1228279101647209944401 (proven prime)
(ID: 148305) 1129473015105699876206324026055805676322596951429252248647292825296453111415394806068068399659612644876054957965693734940425971305531687804680598971059844156958480844801958813753709855747639367094833031444334975403103879794272489850183904610217229386364921555747527114863773900804225621049025777986377756899041162740115853788106006262255610242579249142232277146973686924764025267367580178763100047850576219956393158412360721085208039943713835041348169205782514775779118422078353534170263210221260408620842293001398761 (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.