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It is: 3
The GCF is 18.
The HCF of the numbers 18 and 40 is 2.
3
It is 13
39
hcf(18, 30) = 6.
1
156: Hcf of 13 and 39= 13 13*12=156 =156
HCF = 3... LCM = 18 !
The HCF of 39 and 20 is 1
The GCF is 3.
The GCF is 9.
The GCF is 13.