Factor Info

ID 38643
Size 338 digits / 1121 bits
Status composite
Value 15978568190146729338172902522427355668069237798867573223768888576919370301069450279794868562351054246569314621382956584946295683153332770461253482228564551552948641659564624121752884696016808011746247888130300712225562742843877406487346944111839421951971598996274098275378148616051530726569256156496529356427511254549383185238862145606563

Factorizations

Primary (ID: 38644) 155723661984933253071724088349583403089929708137157686413946168293253164375482896729135778555840342793 (proven prime)
(ID: 38645) 102608479575138075886159649568267258362785443213980731323673392498869172060029231749562521793243674270441907199783513720263442831383192168191482917412403337951328893122944095351564680815697524248607101576036312274988018279695095526946891 (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.