Factor Info

ID 40248
Size 277 digits / 918 bits
Status composite
Value 1664961361962375180515286864560058587280110787383796696495753782263142465321105843033031750082662839687568204369387195699427331132088583543333455266022483285135649931095274172809029018596726842221264652600235372198124795137021065047748609589944418869966898743886115893255240481

Factorizations

Primary (ID: 19881) 431916413820617754546053476804635449461410533962843828981966782964481 (proven prime)
(ID: 40249) 3854823083092790266100367887177582422016130398541501245934510916203814939080446657091632043529488649498510663781474363673840238765477761532926435185632917184586483020002600320471675292832156618705746714196001 (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.