Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 635: | \[{4^{635}-1\over3}\] | 11 × 31 × 5081 × 85091 × 431801 × 141512291 × 56713727820156410577229101238628035243<38> × 170141183460469231731687303715884105727<39> × 83615338235826681881707602454578099792649940383635851698961<59> × 63626928336138914713603440277176215194452396338124718954401705399214689850512979539135751<89> × 14651553620039776109618710650428003856072455562365737305591588724407384112638004896344353088904094721053298517257730150768919375484771<134> |