Factor Info

ID 156536
Size 839 digits / 2785 bits
Status composite
Value 21014269505655400360862323060604800904355517348195642184380335772346496648531439709314132847166445402567382560973635852964525239194724232281667419378726884988252097590644986845092299259336795484268492449620880109670701457211273403300366229989952373745873235597722112681250934413609459041688149725037728763134201597129603762882405006199691116953583794187011676819359458427585428859921291157715436036956846108573504898053206484271186851589577744190474705038455239782442739291983677168699629131846215609406268265231774132199233832839932163379326526109793545707844040780188991359863276770559482656366716429174153824060009445112494049773832980762240609999611431477055379019787990700365122316500198922580827983040100383184465129110335561252091617253836585728236695127964678978669227304353891395026817197383622715736497972003757786697473996384931

Factorizations

Primary (ID: 154598) 175500339130677572941801 (proven prime)
(ID: 156537) 119739196002397310704148792465883708405280656502183916318857944291114150512499298102111192233400730215198586464356664055025488627385206456235367819996917111682594947635936542144122967804606124745156409357413656525716187554299751654792104810188871168767438036126540028184472560521034045683592233599608204628184405209010429289689683013627269357149766928299229019895571129332977014698080384723558242703961724759980066982394103648657747467831917040886949278647015494011835452403876221055042408017314237249480839278168538688735140717816803292369966692091101972784110870545152471461425686704148984490529512003004634988182684400220810533051225876086319582840810037702511738968991758085072632305263701701457764404840672952074679278219476735932532274967894522675543275478161387528183781852477676851304305855553033758824809131 (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.