Factor Info

ID 20475
Size 308 digits / 1022 bits
Status composite
Value 27568909391556233257274625153853096539905467005577237150698453728481420668994266992799406064513392887783949085452884257335655133390613433698473832929501989201384725616544381848284837807617175308163603150977594067981467261915219410729267659885330890480579411672296952943446938932828081906883713064514593672789

Factorizations

Primary (ID: 20476) 510854629111063017581573 (proven prime)
(ID: 20477) 53966251494145859092858906882369491998899385647187388275578124228475133992347997027160173778983514643985197226554695245735073993514945628715407703945733456566609596182373469496947467973236729638788937959258796940021391436165413156101034922817994411668341028686737281058134938688600593 (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.