Factor Info

ID 23359
Size 276 digits / 916 bits
Status composite
Value 521095516789817700078851334536986000139387909071449746145633838447617865686343348837809255136425364121969457781626276366639629354994695742538959577184865954498500540932637531346566474109498844111352127987272442775920380862387381308584797351010138013473400380442465487070461887

Factorizations

Primary (ID: 8509) 2868318061062142721089 (proven prime)
(ID: 23360) 181672849975659674526370517088937731623639957063978321884872410689737652040848729227610250340781122298642050525450902865332370126672334661450170704979534260969644551528722940773425111389228191130879806284791997298232053516991087012535705923685288747203583 (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.