GCF is 60, LCM is 900
2 and 20 have an HCF of 2 and an LCM of 20. You could also use 4 and 10.
2 and 20
HCF of 20 means the two numbers have common prime factors of 2, 2 and 5. However, LCM of 535 means that both of the numbers are odd. This cannot be the case if they have a prime factor of 2. Thus two numbers cannot have 20 as hcf and 535 as lcm.
The answer is 4 and 10.
To find the LCM you first have to break the numbers into their prime factors: 60 = 2x2x3x5 100 = 2x2x5x5 The next step is to identify the HCF. In this case it's 2x2x5 = 20. Finally, you multiply the numbers together and divide by the HCF: 60x100/20 = 300 Therefore the LCM of 60 and 100 is 300.
LCM is 20 and the hcf is 10
The HCF = 20 The LCM = 600
No. If two numbers have an even factor in common, they are even numbers. Two even numbers will have an even LCM.
To find the LCM of 110 and 20, you first need to break them up into their prime factors: 110 = 2x5x11 20 = 2x2x5 The next step is to identify the HCF. In this case the HCF will be 2x5 = 10. To find the LCM you multiply the numbers together and divide by the HCF: 110x20/10 = 220. Thus the LCM of 110 and 20 is 220.
The Least Common Multiple (LCM) of 15, 20, and 75 is 300.