Factor Info

ID 156942
Size 1198 digits / 3978 bits
Status composite
Value 1787115406651219375327578042826629474124456624937110014369806856873303064653801054098102335967463179684228310954484641765641978349100655859270975281561974359436747650884104526026710991078073742505910965305653612923301582961914606813097711793893498251171669468695311621335101659199494916518421682742533285884911699920108280230765638311685564572590649538567487081977602747821841070188460759613754972836214658189009290063701137568724358026929963947929987201918967116546952770719112103103761497099243026110294069709321482737886422428907655026803841084912355130107455483184589606100306180646856329259001830541353748844029012519128877923305930653949262302856348478551951512156970299952130567724470245530856444826140599442818964563965460570343594141126858792993136919281706943396477431638997207476782860497470975351153604032579459723173156026088845015699227300031734668001183545147143382367447885566566779537318905825656990800865987475345353738223284341779182912290850962164412206539462076853117650303271517282069278896584332086239615292645306503652228072747014491643723485400996912831956146049383385587797338434223960390022942816923387019941719248464969566126953689494155474021234362118828009380418006667

Factorizations

Primary (ID: 154625) 2458422198511222771859601111973397 (proven prime)
(ID: 190945) 726935921638465932247186657635399756931176657446796456354582251012795217870718674345871600212691145854773063168142150629819287097251607563042102040253129155329638348008500958266167975778411009194124342284095576371620173909724406198973259065205746121114226076042428044994583932952180855619721306217001237606551982194671851435578932455112640154768298705002971720180892980476136644423573861001471803681227328737830569218043202248238073318463367436062027651519525003022321364408247805628567382729047906001216839087437122250784809548103520589144804857254962017549982649882739738684687185491166432462753386740869482605563768770837234885696119665910646160364241598347440357891249132083287223480134055959902447980070732623121021156628753597199065281157952090641329579192614228792445414982607196626599168481675869829178303075753922769492303660294045807756264098375187130477815283441191797432162379781881430738159810730876982340384708349892509642657750101373529872338880470131875453347164372780971515398714256526558736177627219271847759432832678761568589720333536346900982202704871552003867412254054793560543473789517469679144575269541104060040877188622168596553482707386911 (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.