Factor Info

ID 170982
Size 588 digits / 1953 bits
Status composite
Value 644498342853086306685254920363605045264517059357342226049843323990536852108071944295753020993176856953712502229739556195176055005806423374934559160963119454341730075840134313913859017358695864109870544205298927474206069376375996883544371510921023439750115038974087934889003341126602884973856130086775483252538462114412054663840067734317689761266339971357773232488807723623881726687846327198007299955361436995343064500790992899761851670308332534500945816628241012337454667622786014140817830502704708317295129007639380620342773089727930758224713494692791900273776228552758992617698054546883

Factorizations

Primary (ID: 170047) 175121442020680274473015267366514992349681 (proven prime)
(ID: 170983) 3680293717413409732360654722649615123460441026593372826269216087075699711567864127778966927952622938664518667788465766241101308272869134413085158991253469879661959080195237995207057591062605674463018158618359843858035469321638261052588857612588176332573783591671559475303106878825158369182580982082837212181473341830526208846296128466911749672804324274188066193129214910405638620333821310391196077254194742714167402390092456395898582652219597138489089708959864032451919687201870413097883974990342777511699809253815936486024330727193567673999142643 (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.