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The GCF is 18.
HCF(90, 126) = 18
The GCF is 6.
The GCF is 21.
The GCF is 14.
It is 21
18
The HCF of 4 and 90 is 2.
3
90/30 = 3 = 126/42 90/15 = 6 = 126/21 90/10 = 9 = 126/14 90/5 = 18 = 126/7
The GCF is 10.