Factor Info

ID 197641
Size 538 digits / 1786 bits
Status composite
Value 3748103427995222685765897342706674501546418035227265469907956008555022361169561837367800512197591458809435352468571040401148548147190136529294965002407779939109126330363191680042077417392906513852911964990582584813556516292779638764205902513381489875641019687087746827048905093867924144450925703686818786199170296720667789733917407022038514845968450546910301301461369805072785954624594435206358489995458733722723845902231012827888976089708052651457632459898091118299013320219683670437664920615028422588564974228395684411525776105413745289

Factorizations

Primary (ID: 17380) 8053730166884380014450383018259499521845366401662790356405702357639719043096356088427300048532289543979374667 (proven prime)
(ID: 197642) 465387261595479121820762443343725225138470846916165740602584429030402513146720912758824579336558155967742755907650636235260467182859902264818467338538136050150824563706524265703994029604450418990135703853532165039606246335606434053696150861244184495177409229809884968368392895822145616848272083116582989622172560697478668952636335978212209416184112757937142473025351569422989546840077022606615326416453994049413228679773739727867 (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.