Factor Info

ID 171616
Size 253 digits / 840 bits
Status composite
Value 3972184782414791649250639150798103564147137821739529055664145407592997427076255334650924397304472437353691580711737409620385658670331176578849266013276368916924880675848951360694054346951867472018373507168244355629581187099076234418340537514696979516361

Factorizations

Primary (ID: 171617) 92938615717877365170938515706390702348717 (proven prime)
(ID: 171618) 42739874612213696910572455464702678594849439888526077111200174738031091163904617030055532217042016493693069763430287167510255149669639648308808811245044630561735486206764349136966217355466741041275523897256261133 (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.