Factor Info

ID 42239
Size 138 digits / 456 bits
Status composite
Value 171733904457336806416119195083745651974027308743722557430153045956361512582705397790632817013124032644186415680396136478033092042327047947

Factorizations

Primary (ID: 1564) 1121862228752076942001 (proven prime)
(ID: 42240) 153079317634544142372116198573785417739920462147083571760656299256402528201664932211622239374092036071576928896973947 (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.