Factor Info

ID 163989
Size 417 digits / 1384 bits
Status composite
Value 353959602428892536505153546869395853827542385494237919124188210313889053727368028165426967901688317425386101883963886373101348422438978156711468943854463253414550617445212655851519442009834052734399886213098705911454073410293830605551392021410020268656295891606735929136062858889949264316617432537746631459308869873821021027471889610786958679796623031671737425658923973144140531700340384179967091788937633018544727461

Factorizations

Primary (ID: 195664) 1245111615272071060575517778952811215660695903418597871901431768551492569 (proven prime)
(ID: 195665) 284279415666320271524436246135227821087084574296480629003194414345863747337718656559865195744032663477281115438229793056943378733880700998969531864021283392313068569377533669695000888880559063139322032663536846227640558859619409406205976265929951188823419282622067844221189238368514181029779858508658095803862114246408208344529962684467790365869 (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.