tables > factorial > f4+1

n!!!! + 1

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 521: \[521!!!!+1\] 2 × 166319 × 3191609 × 2760125807038214919525937<25> × [15249912432594753873546326591186268983111736418146043765911393907227320900818482315963453449328622166783133039376629686495326154071791800344095513773730858439510007188378718245228915273170687868804829128301429147034898500521112697076342751010696467275368169432369<263>]

Index range: 521 – 521 << prev next >>