25, 49, 81
To satisfy your criterion, you need the square of an odd number.
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2 and 20 have an HCF of 2 and an LCM of 20. You could also use 4 and 10.
yes you do because 5 is a factor of 20 and so is 2 and 5x2=10 and 10 is a factor of 20
Becuause when you divide those numbers into twenty, the answers are whole numbers.
5, 10, and 20 are all multiples of 5 and factors of 20.
Common factors have to go into both numbers. The only common factor of 20 and 27 is 1.