4 and 5
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The least common factor of any set of numbers is 1.
The LCF of any pair of numbers is always 1, since it is the lowest number that can be a factor and is a trivial factor of all numbers. The least common factor of any set of numbers is 1.
7 and 35
Because they only have one factor pair.
Greatest common factor.
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.
Only if the magnitudes of two numbers are the same.
' 1 ' is their only common factor. They're both prime numbers.
That happens when one of the numbers is a factor of the other.
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.
relatively prime or co-prime.
A prime number
One is.
Any pair of prime numbers
4 and 7
Even numbers.
The least common factor of any set of numbers is 1.