Factor Info

ID 21700
Size 527 digits / 1750 bits
Status composite
Value 57151950925595086924442266341471358772520335703334068116241533115617666028966266966229140394800611248940054710885446657253774331426923807912022282994261711882934316487799827691094065749874694379956781588822140490267590018308691151453714628890052159545394771520200071951064861957518930554789805602038404224962877791173954310477521343577923991406613199466973662914435001274709914275686409625698963996908578369161285361403705969081755098618233038037995400077958494410359873978506952083555669191540624786025790700190407312353401971

Factorizations

Primary (ID: 7468) 179763436784239734042181 (proven prime)
(ID: 21701) 317928673082677329897609922050216562480963481243586725278479711941842996104764817144719378005058614843265611968848848676617141322401245108394979387229642130278752291929178799849912117229866949604590141226795115077084633332603878700551809383519300932407290839817540489391003658324291955425898019821535484430634479169834296259944314007990033459459043581024374387703794595104891264830157241655380214144986731055631697827337249830631918479222881025019313187421854970148726667885066155092972330429672492533591 (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.