tables > repunit > base2

Base 2 Repunits

Table

Viewing: 128 – 128 << prev next >>

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

128: \[2^{128}-1\] 3 × 5 × 17 × 257 × 641 × 65537 × 274177 × 6700417 × 67280421310721<14>

Index range: 128 – 128 << prev next >>