0
Anonymous
The number is 1.
Wiki User
3 (3/18=6; 3/27=9)
The only whole number is 1, because 27 is a prime number.
1, 3, 9, 27.
The HCF of 27 and 80 is 1
Any of its factors
The number 3
3
The number 1.
Three times 9 = 27
That number is 9.