(12, 15)

A = 12

B = 15

 Sum 27 Difference 3 A × B 180 A ÷ B 0.8 B ÷ A 1.25 GCD 3 LCM 60 Average 13.5

Sum of squares

369

$12^2 + 15^2 = 369$

Norm

$\sqrt{ 12^2 + 15^2 } = 19.209372712298546$

Geometric mean

13.416407864998739

No

Properties of 12 and 15

Properties of 12 and 15: The GCD and LCM of 12 and 15 are 3 and 60 respectively. 12 + 15 = 27, |12 - 15| = 3, 12 * 15 = 180, 12 / 15 = 0.8, 15 / 12 = 1.25. The average of 12 and 15 is 13.5 and the norm of them is 19.209372712298546. The geometric mean of two numbers is 13.416407864998739.