Factor Info

ID 180430
Size 747 digits / 2481 bits
Status composite
Value 505221162567376581435301006762606626459749744648285618882583729558912660876006130699514619951067519282953374829412098597455510206618003066179096228070802679336177844973212527018537952416905102485483893221894919562602339310808098508700011713908986926784276650940307608392202518584423638640784291725775323128722416602610545519053060105992903878368687657555438767886521637402353978275990327770753962086397970773654623236809296398461771164345101756733458324617670452820075876399578182134944350184846656879402587891582372964184065704667990201221665286698177338090371471038096242566485109057586870998078623904760634110796246817960571357901054411285819914322769116864677680821561510415286054642695851666410465726274724503721117420956401530009807666036471

Factorizations

Primary (ID: 143136) 279199061472649689615930789290784389297167871396904357110743 (proven prime)
(ID: 180431) 1809537467291479390654489915851703454973475069768416146354991597383465183967150937581507942236520869238740882072555974130021509117117503343578416180815627913181492119679558121604307259957622082670233753796133500270849865187924254414155447881027192052927042760119449375407854738294100023784826282878987509633438939095854354342293347340058958035828072633301625537346349841406982633904835706103140237898367759630260397453327115590691711338347168092127256722062816112983919176695059129918628897035159464399437149745243607206262815349664575170572092498229858603677781305414131682597788831734854171493908440664849071288656373713650310103020452147757494746862940940850445664009786803856083900897 (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.