Factor Info

ID 128784
Size 765 digits / 2541 bits
Status composite
Value 521684494117960585743340412171186525352949237945664966920829584655677830825371995228459973363937424148102229951735270452197907352609756195282178710759262147177393465700509302848988320843558063836083508969531475658465058339590976285923099326793577324073143982856093351607603123319166796704896136452429729400006241111048174464650745942783948519127749971510664350522709067972629999316555463052689126342508072349317499428314854848380966595832435962944994453076088121466586812118157836432280845848415952730696096376324337156858497865420046060746626358068690238143077893615983830086905389700134870202410178073533790520179576676320221053031558846332742209310100604342799717576026373882848368773729333599482403405436620071863828206947821283257565432794813791905853611644477

Factorizations

Primary (ID: 79) 118869391634972852522952098964476155238134997314729 (proven prime)
(ID: 128785) 4388720148580911246310372969560677982762090558268848053817492654884399937713797226650063769431002559865128419263443988975520237786367401360355690075224619346106597294355731462463597200064967223744298206586937381851913440972216670206688258242058615820976883723486303428315205840321609783289757988589595241787694480028276243964800439842400025243290459046253061995138338386437108320619823354720955683845585921901116839832466155556665582479765759038879634362165156690511108529689349941440658621861226108618292685319708326565899490738710500852619760284391826770077295721722094466947226286618148883316510814778440428034794867740773876357237727005812232976936219337969063511009602288079517541139762759742330471674883057013 (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.