tables > repunit > base2

Base 2 Repunits

Table

Viewing: 78 – 78 << prev next >>

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

78: \[2^{78}-1\] 32 × 7 × 79 × 2731 × 8191 × 121369 × 22366891

Index range: 78 – 78 << prev next >>