67 multiplied by 89 is 5,963.
67-89 = -22
67 + 89 = 156
56: 2, 7 67: 67 75: 3, 5 81: 3 89: 89
89
67, 71, 73, 79, 83, 89
5963.
67 x 4/3 ie 89 and a third %
(-11) + (-89) + 5 + (-67) + (-81) + (-27) = -270
Yes it is.
67 + 67 + 67 + 67 + 67 = 335
89 is already prime.
100