tables > repunit > base2

Base 2 Repunits

Table

Viewing: 138 – 138 << prev next >>

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

138: \[2^{138}-1\] 32 × 7 × 47 × 139 × 178481 × 2796203 × 168749965921<12> × 10052678938039<14>

Index range: 138 – 138 << prev next >>