Factor Info

ID 141576
Size 516 digits / 1712 bits
Status composite
Value 168411078800696617730041834182509528051960079445073794763872663073086983057564320468347786401263188389389450471468482027016346941762417304956754613258608938325433183403497779133882163567982396879219413345338890367748782840010104609269496908735212332989528718912383718223143768595305560122383545544730813468340984692758908159672760012142212465615474329312354863865614873419948989429176066371474962779304973609733267572883839640698872117508444107370370098104262899903696550009027557292326511555411161033921629544160417

Factorizations

Primary (ID: 20643) 390722946406448237780581 (proven prime)
(ID: 141577) 431024285493351998965105241574500416953665337702041429634284262712524153971378983701559809046329957226788341043993017229878727439535817359029460752086929480334208787557526621312025280068146822648414133020652388779591620051187489698974796307343730382602392324093577755555770364441193382865551535990645943895308899493697234403799797315339544500890239045078799358344748107262020391009590614299066706645493680957494592633992853729397310174256457816416515910549108757954392541473290178897659753357 (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.