Factor Info

ID 128560
Size 447 digits / 1483 bits
Status composite
Value 255007418518413616606981625956716117836742072533519112492999339746152472260035955413141380053580328535930345490026087466307357776278098342359102777724824327902973362061787029340698767224387203688766220883849437720932820115113572435480079547426677999154716054013957291396443575004315453310195997362061507854389144033036385071710021636671033979166672850682986340496625611850386062284766694555460644135082018858087824465507170794751115785069945266281

Factorizations

Primary (ID: 47761) 1018507005967889749438670650622882108551721301472626842770441 (proven prime)
(ID: 108418) 250373750032361761146786264133321522265356665553056059405783342154766262009579562414465045417462279829519059530250336480016501912905043073374938410573206681147889759756324179676958685503125526743877592638522805500707156887769723014967683460530469724934767537905530343684002740506938842667542238484179867361729286204778161280405154397963092792410200376502303182872058709858103253261990241 (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.