Factor Info

ID 172518
Size 492 digits / 1635 bits
Status composite
Value 972578449553971239434720220991339215895332509323669137983792691271375590297178190166216408088673854032275976547702399656505051126774711009490178607028813128420898825701369606774904447403482018798760686898109959076774607268981141499571903894915053012290359921881875297799310243078884187143628550607393549353042035042443029436791418449347520814249921356464126121944498339993443618526048221141513152049148615342824333498510406024964213904924149572751592833958935525964019712739051926695130566273

Factorizations

Primary (ID: 171704) 26473813301278169535953932014720806893585199299441835076622331442369553820170885874976262344189904862477042837589593220675369311176827167972672873 (proven prime)
(ID: 172519) 36737376610078860223013315887573729904802199324330076339839672409529792394125702185510423202855972575977280824842707132565916025256375186704525707785394903980881435478619387602736448769431939470129049789125100704605903987149935597051830046610567141148869833896241651529229323833376568633841333589580673465513437781066078504371507772942813130515801 (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.