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The HCF of 27 and 80 is 1
Just the number 1.
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The number is 1.
20 is a common factor of 80 and 100.
The only whole number is 1, because 27 is a prime number.
27% of 80= 27% * 80= 0.27 * 80= 21.6
1, 3, 9, 27.
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