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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).
What is the LCM of 9 27 and 81?
81; each number is a factor of 81, and it is the smallest you can get.
How does the factor rainbow look like of the number 81?
3,3,3,39,3,327,381
What is the common number factor of 24 72 and 81?
3
One factor is 9 The other factor is a 1-digit number What is the greatest product you can get?
Since the greatest 1-digit number is 9, the answer is 9 x 9 = 81.
Is 81 a factor?
It can be. 81 is a factor of 162.
Why 81 have an odd number of factors and 40 have an even number of factors?
A number will have an odd number of factors if and only if one of those factors is the square root of the number. This is because any factor of a number you can find must pair up with another factor of that number, and multiply to give the number. The only exception is when the factor would be paired with itself. In other words, be the square root. 81 is a square number, and so the factor 9 (square root of 81) will not pair with any other factor, meaning 81 will have an odd number of factors. 40 has an even number of factors, because it is not a square number, and so all its factors can pair up.
Is 19 a factor of 81?
19 is not a factor of 81. Factors of 81 are 1, 3, 9, 27, and 81
List the common factors of 81?
The factors of 81 are 1, 3, 9, 27, and 81. There is no common factor for a single number; a common factor is a factor of two or more given numbers. The Greatest Common Factor (GCF) is the largest factor common to two or more given numbers. For example, 17 is the GCF of 34, 51, and 102 because it is the largest number that is a factor common to all three numbers.
Why is 3 the prime factor of 81?
3 divides 81 without remainder (3*27 = 81) so 3 is a factor of 81. 3 cannot be divided without remainder by any number other than 1 and 3 itself, so 3 is a prime. Combining the two statements, 3 is a prime factor of 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 6 a factor of the number 81?
No, 6 is neither a multiple nor a factor of 86.
