GCD: 20
20. You can factor out a 10 from both, so the answer is 10 times the GCD of 8 and 1210. 1210 = 11 x 11 x 10 = 11 x 11 x 5 x 2 8 = 2 x 2 x 2 So the GCD of those is 2, meaning the GCD of 80 and 12100 is 20.
GCD(12, 40) = 4
The Greatest Common Divisor (GCD) for 40 16 is 8
12100
Note that 20 exactly divides 40 because 40 / 20 = 2. Then, the GCD of 20 and 40 is 20.
Since 20 divides 12100, 20 is the gcf of the two numbers.
lcm(40, 12100) = 24200
The LCM is 24200.
20. You can factor out a 10 from both, so the answer is 10 times the GCD of 8 and 1210. 1210 = 11 x 11 x 10 = 11 x 11 x 5 x 2 8 = 2 x 2 x 2 So the GCD of those is 2, meaning the GCD of 80 and 12100 is 20.
It is 24200
GCD(12, 40) = 4
The Greatest Common Divisor (GCD) for 40 16 is 8
The Greatest Common Divisor (GCD) for 40 35 is 5.
40
12100
The Greatest Common Divisor (GCD) for 30 40 210 is 10
Note that 20 exactly divides 40 because 40 / 20 = 2. Then, the GCD of 20 and 40 is 20.