In the given point 4-3i, 4 is a real number and is positive and 3i is an imaginary number and is negative, so point T is on real number positive 4 and imaginary number -3i.
Answer is 47. - a prime number only has factors of one and itself - other numbers were composite - 45 can be divided by 5 - 46 can be divided by 2 - 48 can be divided by 2 - 49 is 7^2
