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What two numbers go into 81?
1 and 81 Those two numbers certainly divide into 81 though they are not the only numbers to do so.
What prime numbers divide into 81?
Just 3.
What is the simplest form of 72 out of 81?
Divide both numbers by 9 (a factor of both 72 and 81) and you get 8/9
How many 3-digit numbers have exactly 2 digits that are the same?
1
What can divide 81 and 16?
The numbers are co-prime so the only common factor is 1.
What two numbers go into 81?
1 and 81 Those two numbers certainly divide into 81 though they are not the only numbers to do so.
What prime numbers divide into 81?
Just 3.
Can you divide 81 by any number?
Yes, these numbers: 1, 3, 9, 27, 81.
What numbers have exactly 5 factors under 100?
16 and 81 are the only two.
How do you convert 81 millimeters to centimeters?
You have to divide by 10. This is because there are 10millimetres in every cm. i.e. 81/10 gives you 8.1cm.
What is the average of 81 83 87 85?
You add up the numbers, then divide by how many numbers you added. Here there are 4 numbers to add up: 81+83+87+85. Use a calculator or do longhand. Then divide the sum by 4 to get the average.
What is the simplest form of 72 out of 81?
Divide both numbers by 9 (a factor of both 72 and 81) and you get 8/9
Name a pair of numbers whose Greatest Common Factor is one of the numbers in the pair?
27 and 81 are a possibility. Also numbers like 5 and 10, 20 and 40.
What are some numbers that have exactly 5 factors including itself?
16, 81, 625
How many 3-digit numbers have exactly 2 digits that are the same?
1
What is the greatest common factors 81 27?
The greatest common factor of 81 and 27 is 27. You can only divide 27 by 1, 3, 9, and 27. You can only divide 81 by 1, 3, 9, 27, and 81. 27 is the biggest factor that both of the numbers have.
What can divide 81 and 16?
The numbers are co-prime so the only common factor is 1.
