Factor Info

ID 42661
Size 258 digits / 855 bits
Status composite
Value 162585533936697846430404391742706477178059738506606560366029982030231836377992658413700762238267040030261620424870028523853751742800272821691158233811475457418464861846975079568281826971607176638471721850160857317384730428905221628960059033049925667040767153

Factorizations

Primary (ID: 33) 164344610046410138896156070813 (proven prime)
(ID: 46581) 989296417392602424197204415627914162523087922406888145656051878427154171393355248257262907511059865337179007959375728671410584154905626815940461045761557950108343170914379231568911185794950350913113235989714050584101483090150181 (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.