Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 177: | \[2^{177}-1\] | 7 × 179951 × 184081 × 27989941729<11> × 3203431780337<13> × 9213624084535989031<19> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 177: | \[2^{177}-1\] | 7 × 179951 × 184081 × 27989941729<11> × 3203431780337<13> × 9213624084535989031<19> |