It can be. 81 is a factor of 162.
81, as it is the highest factor of 81 (81 and 1) and is also a factor of 162 (81 and 2)
3 is the prime factor for 81.
Three is the prime factor for 81.
Since 81 is not divisible by 7 therefore, 7 is not a factor of 81.
1,2,3,4,6,8,9,12,18,24,36,72 factor of 72 1,3,9,27,and 81 is factor of 81
No, 18 is not a factor of 81.
100 - 19 = 81.
9x9=81. Proving that one of the factor trees for 81 is 9xp.
81
Nine is the highest common factor of 81 and 9
The highest common factor of 81 and 27 is 27