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The LCF (Lowest Common Factor) of any two numbers is 1 (as 1 is a factor of all numbers).
However, I suspect you mean LCM - Lowest Common Multiple.
Write the numbers in their prime factorisations in power form. Then for the HCF use the lowest power of each prime across all the numbers (if a prime does not appear in the factorization of a number, its power is zero) and for the LCM use the highest power of each prime across all the numbers:
192: 26 x 3
224: 25 x 7
HCF: 25 x 30 x 70 = 32 x 1 x 1 = 32
LCM: 26 x 31 x 71 = 64 x 3 x 7 = 1344
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What is the HCF of 192 and 216?
greatest common factor = 24
Gcf of two numbers is 16 and their product is 3072. What is the LCM of these numbers?
LCM = Product/HCF = 3072/16 = 192
Least common multiple for 16 and 14?
The LCM (least common multiple) of numbers a,b is defind as (a*b)/(hcf(a,b)) the hcf(16,14) can be found with Euclid algorithm 16=(14)(1)+2 14=(2)(7)+0 thus hcf(16,14)=2 16*14=224 224/2=112 thus the LCM of 14 and 16 is 112
First ten multiples of 32?
32, 64, 96, 128, 160, 192, 224, 256, 288, 320
What is the LCF of 48 and 1000?
The LCF of 48 and 1,000 is 8.
