Factor Info

ID 155437
Size 423 digits / 1405 bits
Status composite
Value 566878546577562895797384081853782752226257627587950577594168508029661579980580167265298234887148271776680834689095262434197697025041180375155587742366838037093223122535345969397950322697342873145437025995781457452218797369597180730720678390862295844062613357766776683788676002663784552481660789931678113211639212980990546341985605233398851654379076624048614994009383361891779018562105426836465276361936897372656799440379601

Factorizations

Primary (ID: 154655) 3889436310686727916228493162492361601 (proven prime)
(ID: 189397) 145748252778941507303550085038446238968791873505634434646830904707241704164329427519772882073060461405877587673896884374515190063492742099353262165942469791274607987513630885273908309236823284634645672757205281347518359397153437251044924474823928033611039895760592273221084073316774620664614815998780194363747408517737736894211250384488586266889726732541631836776754850719234711719218001 (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.