Factor Info

ID 20139
Size 300 digits / 997 bits
Status composite
Value 823384953110855398197008747403071357333096433647466310496926239759599829100917604730299898341727002172404946828998804887037911964791892389966369170257702033955153103144720231831402375797172011727004429063786075683738536537689290557747142912443064609959915332977884162893207890179651187960118214227853

Factorizations

Primary (ID: 20140) 472177531896662923971700871858905573 (proven prime)
(ID: 20141) 1743803754921263342529692491508712183784681377625408803721084599731549110067066469192876556624223754183989012340183144498543189786811026201664596298246819986663443210557390614226554716686326548214515840184939253180854010803840129285091363056720274433326471914292361 (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.