Factor Info

ID 131789
Size 63 digits / 209 bits
Status composite
Value 551072591408263380578362449806474394107037925885755882935063471

Factorizations

Primary (ID: 131790) 9600772802405878717656259 (proven prime)
(ID: 131698) 57398774322642953389748085156004642469 (proven prime)

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.