Factor Info

ID 66854
Size 314 digits / 1043 bits
Status composite
Value 72266198752827449093039730912399610866453685679458002172811342840305576937215962901853799939077361721135629874088282555910875463406039202036837709424088776938613912928896673830035832907446356549547604243948482330296422884861860688571589688685209161478737083814861120990010409061362773812086883940990223885103960841

Factorizations

Primary (ID: 65788) 1614949986544027569856891 (proven prime)
(ID: 66855) 44748258060595545282109375567091060795395526592021371286882585381868697424846996651302412623968159030004874422051998399504453715104203531777923698474445902030154439913381420192712581093158448444587047836495862504555747474576819401024097297931075399076095999407829734878135341710279852133451 (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.