playing with numbers 3.3

  Playing with Numbers Exercise 3.3   1). Using divisibility tests, determine which of the following numbers are divisible by 2; by 3; by 4; by 5; by 6; by 8; by 9; by 10 ; by 11 (say, yes or no): Number 2 3 4 5 6 8 9 10 11 128 990 1586 […]