tables > repunit > base2

Base 2 Repunits

Table

Viewing: 77 – 77 << prev next >>

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

77: \[2^{77}-1\] 23 × 89 × 127 × 581283643249112959<18>

Index range: 77 – 77 << prev next >>