3 and 17 that’s all there is to it, prime numbers are numbers that don’t divide by anything but itself and one
Each square represents 8
If it is 10×10 then there is 100 squares
800÷100=8
That would be 2 numbers. they are 10 and -10.
X = 59, y = 44
2x + 18 + x - 15 = 180
3x + 3 = 180
3x = 177
x = 59
x - 15 = y
59 - 15 = y
44 = y