Factor Info

ID 55566
Size 354 digits / 1176 bits
Status composite
Value 640411603782264135710559670847703232370496218935842499704372492305031046925170594123865482836216057424297064471551998359733872011613120597392973211477228138369422666592943601484286982183890543585111298109275940940987597888716861487665544552903963342570673102214426666392387206760812632976804975361875807926102246057335127464980238077637459033548752285649

Factorizations

Primary (ID: 54866) 430119736863576885514326550014240994253359 (proven prime)
(ID: 79225) 1488914711173522636587096601406598425107817772589800386237973119682433035423890373924187488572387280308033774309868971450818519803828061131417168796498749420872467807120738930411916043573007049683792168401884882586018878067044544520542753362019159501558100279579808580434317794773802239436514207254313524771149311 (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.