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What are a pair of numbers whose greatest common factor is one of the numbers in the pair?
That happens when one of the numbers is a factor of the other.
When is the greatest common factor of a pair of numbers on of the numbers?
A prime number
What is a common factor of every pair of numbers?
One is.
For which pair is the greatest common factor 1?
Any pair of prime numbers
If two is not a common factor of a pair of numbers what other numbers cannot be common factors?
Even numbers.
What is the lowest common factor of 34 and 46?
The least common factor of any set of numbers is 1.
What pair of numbers has a greatest common factor of 1?
1
Is 1 a common factor for any pair of numbers?
yes
Can a pair of numbers have fewer than two common factors?
Yes, a pair of numbers can have fewer than two common factors. This only happens when the numbers are co-prime -- that is, when the numbers have only one common factor. In that case, the common factor is always 1.
What is the least common factor of 10and 25?
The least common factor of any set of numbers is 1.
When will the greatest common factor of a pair of numbers equal the least common multiple of the same pair of numbers?
Only if the magnitudes of two numbers are the same.
What pair Of numbers have a greatest common factor of 2?
The pair of numbers that have a greatest common factor of 2 are any two even numbers. This is because the greatest common factor of two numbers is the largest number that divides both numbers evenly. Since 2 is the only even prime number, any two even numbers will have 2 as a common factor.
