tables > repunit > base2

Base 2 Repunits

Table

Viewing: 67 – 67 << prev next >>

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

67: \[2^{67}-1\] 193707721 × 761838257287<12>

Index range: 67 – 67 << prev next >>