Factor Info

ID 178308
Size 561 digits / 1863 bits
Status composite
Value 503136345548051768725476524771975447791244358813548783072222389380824533428175414404210169898808781257061879811722957947705807704763694892320896101201760343069430628236580970446397889674655438987971574856972702599933602435361036752616191441642754768382817493616147478609666597511607004262803016507276964273516762674190986995038379461968546499821908303478758752725433464791801138637061872064947199709071352384743672187198808486772813010966675303327091318387119049900707735282326044250616756059917030698537842832331291296433140330510451206452617677188462764008897

Factorizations

Primary (ID: 28851) 12025278462415754098247421687266362906048085705689291620169672582395649 (proven prime)
(ID: 178309) 41839891452041841489297136757416409918051778686350879826750904320134490787049771627359556468886696405624102224282026312153102605534561377709542375618045668643990664525325226543561233320545099231496374495746922710364441285979786657647374916800061218286539752450643058927120379460900528699874428040586966527441192766447690048930606274416918707534557759974929445040283674152171123570582950335054440981751936927002106975653478794368394468640654711149863249729579174792949084067166022391923535553 (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.