Prime Power

Dhoni loves prime numbers and prefers his scores to be prime numbers. He played n tournaments last year and m matches in each of them. He prepares a n*m matrix A[ ][ ]-(one indexed matrix) in which A[i][j] represents the runs scored by Dhoni in jth match of ith tournament and wonders if there is at least one column or row in that matrix that consists of prime numbers only. If the above condition d