Factor Info

ID 20821
Size 351 digits / 1165 bits
Status composite
Value 253337136499830352811298700587640453398031099434279196498170569250124730262533979903078230523695957170156247013812442522681122666913975335167843353782717043274840888698021268860992062142539838391421736400157878272921022017769792408425453939627034770727103864881024887196677028568188794472709087666479569408450536247580163326093439957327608369182331127

Factorizations

Primary (ID: 6853) 8871726015923707071209 (proven prime)
(ID: 20822) 28555563601166213065309944982591680484887067802809580127787290469966043493148597724175821232467601911863284893365305159484536083513392614767263868311505484686266237603250677292120328772708358551261360732188751712515877369689946198632482361221278261924553372852044474621223123472215079836060775100862688101882983032104264287457503 (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.