(7p−8)(p+1)(7 p-8)(p+1)(7p−8)(p+1)
(7p+8)(p+1)(7 p+8)(p+1)(7p+8)(p+1)
(7p−8)(p−1)(7 p-8)(p-1)(7p−8)(p−1)
কোনোটিই নয়