tables > repunit > base2

Base 2 Repunits

Table

Viewing: 69 – 69 << prev next >>

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

69: \[2^{69}-1\] 7 × 47 × 178481 × 10052678938039<14>

Index range: 69 – 69 << prev next >>