Factor Info

ID 131884
Size 114 digits / 379 bits
Status composite
Value 639536711589836039957001571134666148133234999893609507673458740094024152988487918680268626111992002289675447549563

Factorizations

Primary (ID: 131692) 54598616218616435702441 (proven prime)
(ID: 131885) 11713423450680309466010733840933231393273942872599502253854835243628668203127853807591680643 (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.