Factor Info

ID 167280
Size 1272 digits / 4224 bits
Status composite
Value 255261933367776892227809420718500969561930163561657935951298679324496975472193721352465101457474013159768548754682238190681034323958227286389453103855860451898279638589285963255598131384910044868090722128885298279252943634997719047383688944494772555953098739475395591635775075328156477019573437955530613792942568155709204880993450798005573580392218331389110102432498939229098600281719620853108412379125154785306602985543016245905504400890356083663258381520694474041573749650475708277600940249634628898331620568578198361845225310394140800728379129126222523574089249459470615023622594682494957261645002733367662871713154024739678982387093619702246558835841213838037223059593978263324725124402052903488862745672942514308413578471855481810474414953700437896803544329708168135337975701356675364350700383252580585258690076555182932620829682786262032279563961836248006862612852413754339712020829923905034961026176665656290005785861974866958485901155867485500305510129159492687868495710018503372544167222668030709836158629797628968124163497930007102790515886053409158771007623442438689993748499247968800616729557100918553791318149549663194092899057915393550455575855957037571185534408181775599807711840017815332643405548717333603950620606401835669369114983130752021189883034375077

Factorizations

Primary (ID: 7639) 6571212276076854019883 (proven prime)
(ID: 167281) 38845485831751794177974471134864004188907580469284878946416010860148610923059810170748078847089908663159164270710762506833703478386297517302578513399760173308740922540604357505154922683306179677765226600595296157966453166584188391675088753235029032751974993056850846331092572580721985315048892490477903439800892223767600140827785909683371994298749574880540450214272165770854357291682309983546219272544213308638062359853728972071136302080268974499459359040880420416522774649436521690137349240749813253298426767636605893708715457135601473358230343564324232761721051086212480371581160281003637378349172556710248873159845949370449745117465455571646577338901391267760103981417200020926966653279904450955650576800032862996773387800392532152558600079600134722076555572999148362055218545369849305340099721829661803358852636642578008828311060656320283586372808226699981973205624993221548004599013098954641567095364854736524198184767595143407253495377776194822795380633648593281726075467769555790254103679225255338266390437634791134341303417147254618055036171912968321528398019737651532783278054903566369380707143921966273815705175515071972125740792581187015941476356309103338626247140840514877340401871428257415353271391366893516402575928220445805660538923119 (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.