tables > repunit > base2

Base 2 Repunits

Table

Viewing: 66 – 66 << prev next >>

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

66: \[2^{66}-1\] 32 × 7 × 23 × 67 × 89 × 683 × 20857 × 599479

Index range: 66 – 66 << prev next >>