Factor Info

ID 131280
Size 658 digits / 2185 bits
Status composite
Value 3942729924212601957588658278705403664481503051746370451320185792260166667055609979465424280729210088260590817289141140182031953818470141626721485442223085796892119492361452748914251531443708003042866115224414129080836231677817952570011872584889536923417319269277024090421321255378879577717932226565269980573444634414738020595253478443718146998076868461375073098948305117595479238710570706626611263413343034582920094998857951284556686733488102162769653181520369395657538673000102944559453622203131824361434141781732878949255135402948619990162408172056290786485590657694164924663771530716468313304820041139962140369693387895864844698410794425950863497956102203

Factorizations

Primary (ID: 9923) 935054830152584514962446826518669351 (proven prime)
(ID: 131281) 4216576180424860995901517546841713003925718355536774087325971413341631764066723332292689375348838059512841699078173564694964206528916829916512536681868465053187796822403442476155276882676949040217337991573382637014554478227011871023693626590675255822119520954780551688358728305560486420373031611208325699719739549032626297585278490780768771160480586571982628205430167957883647498055954873033113300919853027630176299689731804000583852731480987430671126377545121855790097453584686604980029156309598135752998780704164531611210431326902473785211218926561069699355865401356174101020633390839455241994671481107713512557065416653 (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.