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Tough to answer this because you haven't indicated what to do with the 81.
64r2 - 144 factors to 16(2r + 3)(2r - 3)
64r2 - 81 factors to (8r + 9)(8r - 9)
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∙ 12y ago
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Is 7 a factor of 81?
Since 81 is not divisible by 7 therefore, 7 is not a factor of 81.
What is the answer to 81 and 9 of a factor?
Nine is the highest common factor of 81 and 9
Is 18 a factor of 54 36 and 81?
No, 18 is not a factor of 81.
What is the greatest common factor of 53 and 81?
The GCF of 53 and 81 is 1.
What is greatest common factor of 56 and 81?
The greatest common factor of 56 and 81 is 1.
Is 81 a factor?
It can be. 81 is a factor of 162.
Is 19 a factor of 81?
19 is not a factor of 81. Factors of 81 are 1, 3, 9, 27, and 81
What are all the factors of 72 and 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
Is 7 a factor of 81?
Since 81 is not divisible by 7 therefore, 7 is not a factor of 81.
Make a factor tree for 81?
9x9=81. Proving that one of the factor trees for 81 is 9xp.
What is the factor for 81 and 27?
The highest common factor of 81 and 27 is 27
What is the answer to 81 and 9 of a factor?
Nine is the highest common factor of 81 and 9
Is 18 a factor of 54 36 and 81?
No, 18 is not a factor of 81.
What is the greatest common factor of 52 and 81?
The greatest common factor of 52 and 81 is 1
What is the largest odd factor of 81?
81 is.
What are the prime factor for 81?
81 = 3^4
Is three a factor of 81?
A factor = a number which can be divided into the given number with no remainder Yes. It's the only factor of 81 (apart from 9, 27 and 81 itself).
