Factor Info

ID 16918
Size 251 digits / 832 bits
Status composite
Value 16472788922729297999266930621942799480955784313589993263998159475047027891500719161274443218838880532112597416076631537504523660130779973643040721609834096136291440169660820496370773831352641484638760275437041906900957188611922184910453201679199588699

Factorizations

Primary (ID: 16919) 26628842186290124810309584480767097781 (proven prime)
(ID: 16920) 618607027954460714179601728292762317597993616772199074928889955984417100595729673461909238200421673508720772822340877638243323296042859306725913970747478293264687735590346722800784143919062134104833329817126544079 (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.