Is every Prime number minus one always divisible by 2 ?
#askNostr
Like 3 -1 = 2 : divisible by 2
5 -1 = 4 : same
7 - 1 = 6 : again divisible by 2
11 -1 = 10
Is every Prime number minus one always divisible by 2 ?
#askNostr
Like 3 -1 = 2 : divisible by 2
5 -1 = 4 : same
7 - 1 = 6 : again divisible by 2
11 -1 = 10