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Anonymous
3the factors of 33 are 1, 3, 11, and 33
the factors of nine are 1, 3, and nine.
therefore the Highest Common Factor (hcf) is 3
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what is the HCF for 11 33 121
Answer = 11
11
9= 3x3 12= 2x2x2x2x3 HCF = 3
The GCF is 9.