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Why is there no greatest common multiple for any pair of numbers?
Because the common multiples of any two or more numbers are infinite.
Can two numbers have more then one common multiple?
Yes. Any pair of numbers has an infinite number of common multiples.
What are the common multiples of 9 and 21?
Any pair of numbers has an infinite set of common multiples. The lowest common multiple of 9 and 21 is 63 and the others are multiples of this, e.g. 63, 126, 189, 252, 315, ...
Which pair of these numbers has 20 as a common factor?
20 and any multiple of 20. Any two multiples of 20 that differ by 20.
How do you find common multiples of a set?
Common multiples of any set of numbers can be found by multiplying the numbers together.
How many numbers in the list are common multiples of 6and8?
Any that are multiples of 24.
What are the common multiples of 16?
A common multiple is used to compare the multiples of two or more numbers - a single number cannot have any common multiples.
What are the multiples of each pair of numbers 224?
The multiples of 2 and 24 include any multiple of 24. The multiples of 22 and 4 include any multiple of 44.
Is it possible to find the highest common multiples of two numbers?
This cannot be determined because the common multiples of any two or more numbers are infinite.
For which pair is the greatest common factor 1?
Any pair of prime numbers
What are common multiples of 2?
A single number cannot have any common multiples - you need two or more numbers to compare.
How do you solve greatest common multiples?
This cannot be answered because the common multiples of any two or more numbers are infinite.
