Factor Info

ID 56172
Size 537 digits / 1783 bits
Status composite
Value 356060853361196719058749712862417093831399559603149681097680248938537228051172742923959586225548260301415694548786782324848397824386754648784264782532437181079567465264632316021463132080485600135868634360992015648104654071211006623942649687707991643447417773990327031566713843554292051794151705783017094498697094874479814785440855792719974778080064287974398214359901097293442359468492589275619509610501294958454180124776822876695922805585035418777651235669683671283050127287487324550964154914769790008388187991272282451743490503148939651

Factorizations

Primary (ID: 54851) 158943831041162255277151 (proven prime)
(ID: 56173) 2240167806632182912078546545495567265085366319359769759205738589451404818820581038205828405770667209204592978985279342199726767475361692682751853631421547851473132759115889758302422482667005530924453300216640891635187589243106946032392720146119235271393111004900576584427601675335574248520959307146901826604774654593151892068089865422547556036184284151686980415938208965835166188461939347420089302484769194282090801376472374148371120160955983050902653112870036617739688716095594898270963444821152649493428175537501 (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.