Factor Info

ID 4504
Size 139 digits / 460 bits
Status composite
Value 1638381829949204587608097746109383475704130936701525928352399625809918488760353563839909785221065028161770606641617160807521548949217104063

Factorizations

Primary (ID: 11570) 530654464353667468092169451245888744365152829791 (proven prime)
(ID: 11571) 3087473940212185789456959767328406647818323751575631706069393139992405721825272733020818593 (proven prime)

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.