A Pythagorean triple (x,y,z)(x, y, z)(x,y,z) is primitive if gcd(x,y,z)=1\gcd(x, y, z) = 1gcd(x,y,z)=1. Which triple is primitive?
(3,4,5)(3, 4, 5)(3,4,5)
(6,8,10)(6, 8, 10)(6,8,10)
(9,12,15)(9, 12, 15)(9,12,15)
(10,24,26)(10, 24, 26)(10,24,26)