21
The GCF is 42.
The HCF/GCF of 385 and 210 is 35.
hcf(14, 30) = 2 lcm(14, 30) = 210 14 = 2 x 7 30 = 2 x 3 x 5 hcf = 2 lcm = 2 x 3 x 5 x 7 = 210
The HCF of 165 and 210 is 15. The LCM is 2310.
The HCF of 525 and 231 is 21
The GCF is 30.
HCF = 14
HCF(210, 308) = 14.
210
The factors of 231 are 1,3,7,11,21,33,77 and 231 The factors of 210 are 1,2,3,5,6,7,10,14,15,21,30,35,42,70,105 and 210 The common factors are therefore 1,3,7 and 21
21
The GCF is 42.
It is 35
It is: 14
It is: 30
21