Factor Info

ID 71836
Size 640 digits / 2124 bits
Status composite
Value 1869105249493325793871770057943524036277163016412550339327532339284964851914067640308098464394382044618248273692359692225992208548394035873739791270879998209141853857104997768970843808682728383987110665658943938892337351431244176198697119474791989550231128188407681867707732332052465208605684837265623173748150421819060050547660034794819418436915551764932686550627656091646620014319021979096674090806453826871605946130657712504161853456574861263532703008599291484768016843020022803483357966467842387311170373528036614081828468061889735890282487927842310403613081267822211985379729767051625244990242309732802153208877777612510072725341385639

Factorizations

Primary (ID: 70517) 689852631578947368421 (proven prime)
(ID: 71837) 2709426860074858862576777689192736171579641272699558195754600073828661479535144025110450705335448760358568393772901123127304880585728422754225413438972907592502551933169092599337656777717972441738467430442630982314769603319098051357846072359036781273326818973701857930581683435666697755541884887045479354779846183734831729107690468390297224581184629364174754462166339902545925523874174800318859378879279852703920885914716782946150141644350973571019554695513220915539805570379329413383433621861220145288514749958385993019106247552937573845549497747540041751288917052182736798398296698839802733735122847108618218513672859 (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.