Reciprocals of Prime Numbers

Theorem
The decimal representations of the reciprocals of the first few prime numbers are as follows:


 * {| border="1"

! align="right" style = "padding: 2px 10px" | $n$ ! align="left" style = "padding: 2px 10px" | $1 / n$ ! align="left" style = "padding: 2px 10px" | Period ! style = "padding: 2px 10px" | Also see
 * align="right" style = "padding: 2px 10px" | $2$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp 5$
 * align="right" style = "padding: 2px 10px" | $0$
 * style = "padding: 2px 10px" | Reciprocal of 2
 * align="right" style = "padding: 2px 10px" | $3$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 3$
 * align="right" style = "padding: 2px 10px" | $1$
 * style = "padding: 2px 10px" | Reciprocal of 3
 * align="right" style = "padding: 2px 10px" | $5$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp 2$
 * align="right" style = "padding: 2px 10px" | $0$
 * style = "padding: 2px 10px" | Reciprocal of 5
 * align="right" style = "padding: 2px 10px" | $7$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 14285 \, \dot 7$
 * align="right" style = "padding: 2px 10px" | $6$
 * style = "padding: 2px 10px" | Reciprocal of 7
 * align="right" style = "padding: 2px 10px" | $11$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 0 \dot 9$
 * align="right" style = "padding: 2px 10px" | $2$
 * style = "padding: 2px 10px" | Reciprocal of 11
 * align="right" style = "padding: 2px 10px" | $13$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 07692 \, \dot 3$
 * align="right" style = "padding: 2px 10px" | $6$
 * style = "padding: 2px 10px" | Reciprocal of 13
 * align="right" style = "padding: 2px 10px" | $17$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 05882 \, 35294 \, 11764 \, \dot 7$
 * align="right" style = "padding: 2px 10px" | $16$
 * style = "padding: 2px 10px" | Reciprocal of 17
 * align="right" style = "padding: 2px 10px" | $19$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 05263 \, 15789 \, 47368 \, 42 \dot 1$
 * align="right" style = "padding: 2px 10px" | $18$
 * style = "padding: 2px 10px" | Reciprocal of 19
 * align="right" style = "padding: 2px 10px" | $23$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 04347 \, 82608 \, 69565 \, 21739 \, 1 \dot 3$
 * align="right" style = "padding: 2px 10px" | $22$
 * style = "padding: 2px 10px" | Reciprocal of 23
 * align="right" style = "padding: 2px 10px" | $29$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 03448 \, 27586 \, 20689 \, 65517 \, 24137 \, 93 \dot 1$
 * align="right" style = "padding: 2px 10px" | $28$
 * style = "padding: 2px 10px" | Reciprocal of 29
 * align="right" style = "padding: 2px 10px" | $31$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 03225 \, 80645 \, 1612 \dot 9$
 * align="right" style = "padding: 2px 10px" | $15$
 * style = "padding: 2px 10px" | Reciprocal of 31
 * align="right" style = "padding: 2px 10px" | $37$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 02 \dot 7$
 * align="right" style = "padding: 2px 10px" | $3$
 * style = "padding: 2px 10px" | Reciprocal of 37
 * align="right" style = "padding: 2px 10px" | $41$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 0243 \dot 9$
 * align="right" style = "padding: 2px 10px" | $5$
 * style = "padding: 2px 10px" | Period of Reciprocal of 41 has Length 5
 * align="right" style = "padding: 2px 10px" | $43$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 02325 \, 58139 \, 53488 \, 37209 \, \dot 3$
 * align="right" style = "padding: 2px 10px" | $21$
 * style = "padding: 2px 10px" | Period of Reciprocal of 43 is of Odd Length
 * align="right" style = "padding: 2px 10px" | $47$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 02127 \, 65957 \, 44680 \, 85106 \, 38297 \, 87234 \, 04255 \, 31914 \, 89361 \, \dot 7$
 * align="right" style = "padding: 2px 10px" | $46$
 * style = "padding: 2px 10px" | Reciprocal of 47
 * align="right" style = "padding: 2px 10px" | $53$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01886 \, 79245 \, 28 \dot 3$
 * align="right" style = "padding: 2px 10px" | $13$
 * style = "padding: 2px 10px" | Period of Reciprocal of 53 is of Quarter Maximal Length
 * align="right" style = "padding: 2px 10px" | $59$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01694 \, 91525 \, 42372 \, 88135 \, 59322 \, 03389 \, 83050 \, 84745 \, 76271 \, 18644 \, 06779 \, 66 \dot 1$
 * align="right" style = "padding: 2px 10px" | $58$
 * style = "padding: 2px 10px" |
 * align="right" style = "padding: 2px 10px" | $61$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01639 \, 34426 \, 22950 \, 81967 \, 21311 \, 47540 \, 98360 \, 65573 \, 77049 \, 18032 \, 78688 \, 5245 \dot 9$
 * align="right" style = "padding: 2px 10px" | $60$
 * style = "padding: 2px 10px" | Reciprocal of 61
 * align="right" style = "padding: 2px 10px" | $67$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01492 \, 53731 \, 34328 \, 35820 \, 89552 \, 23880 \, 59 \dot 7$
 * align="right" style = "padding: 2px 10px" | $33$
 * style = "padding: 2px 10px" |
 * }
 * align="right" style = "padding: 2px 10px" | $53$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01886 \, 79245 \, 28 \dot 3$
 * align="right" style = "padding: 2px 10px" | $13$
 * style = "padding: 2px 10px" | Period of Reciprocal of 53 is of Quarter Maximal Length
 * align="right" style = "padding: 2px 10px" | $59$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01694 \, 91525 \, 42372 \, 88135 \, 59322 \, 03389 \, 83050 \, 84745 \, 76271 \, 18644 \, 06779 \, 66 \dot 1$
 * align="right" style = "padding: 2px 10px" | $58$
 * style = "padding: 2px 10px" |
 * align="right" style = "padding: 2px 10px" | $61$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01639 \, 34426 \, 22950 \, 81967 \, 21311 \, 47540 \, 98360 \, 65573 \, 77049 \, 18032 \, 78688 \, 5245 \dot 9$
 * align="right" style = "padding: 2px 10px" | $60$
 * style = "padding: 2px 10px" | Reciprocal of 61
 * align="right" style = "padding: 2px 10px" | $67$
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01492 \, 53731 \, 34328 \, 35820 \, 89552 \, 23880 \, 59 \dot 7$
 * align="right" style = "padding: 2px 10px" | $33$
 * style = "padding: 2px 10px" |
 * }
 * align="left" style = "padding: 2px 10px" | $0 \cdotp \dot 01492 \, 53731 \, 34328 \, 35820 \, 89552 \, 23880 \, 59 \dot 7$
 * align="right" style = "padding: 2px 10px" | $33$
 * style = "padding: 2px 10px" |
 * }