Factor Info

ID 143551
Size 312 digits / 1035 bits
Status composite
Value 289392701427853827343437692187662720773298217342584970295576829797443586092619774598332056043219853456982486296201043473585531575050773106857959886288550410829291206579053978244093583316684263617325301336410744768543653915943991765928853104278479695777220598594796460807482173053319937843213626686639859519578637

Factorizations

Primary (ID: 144851) 87263299210252111316342255347 (proven prime)
(ID: 179352) 3316316298454305787827513671702464566139571964649265324024792786481422596327978822086520287261135489721744960452703588206915581306781584332031344259991768916249831583967112745737617521992539796659958900150660408272725386081222118070142179942391512569086419120254734815465380749667071 (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.