I guess, some already posted the solution for this DS, but I could not find thanks for the answer?
if K is apositve integer, is K the square of an integer?
1-K is divisible by 4
2-K is divisible by exactly four different prime numbers
if K is apositve integer, is K the square of an integer?
1-K is divisible by 4
2-K is divisible by exactly four different prime numbers
