Factor Info

ID 53290
Size 419 digits / 1390 bits
Status composite
Value 18208740656896443025998653005423691246276034457529573284457993557443492749290085700968476844515587742558990012547224855384154286912485963667588873747109007164264119766541273536511285815619264720590696728177781967946165302686743584767928382076633878451240623272006024569206682596452761653402613256609335433005934603744621762402930421651268393147020685295120516656250184034415280715866309042866155329522714184350203131271

Factorizations

Primary (ID: 52474) 255053775727906405559 (proven prime)
(ID: 53291) 71391770637113353350856746206404860786889208513927155957283194390743163763354447207195588041966526981409361659966593294003218632055806190012400386072466782743015423487254584696915840668282316960854874351738449943458590022631715749480107515521223294402622241779298598546642970299889643806741344404235607863022278298820074063086660840505859974096358151430895722033038195296644592432829053526343720369 (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.