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All non-zero whole numbers have factors. When you compare the lists of factors between two or more numbers, there will be numbers that are the same on both lists. Those are the common factors.
The common factor of every set of numbers is 1 because one is a factor of every number.
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Which number is greatest factor of every number?
The greatest factor of any number is the number itself. There is no integer that is the greatest factor of every number. One is a factor of every number. One is the GCF of co-prime numbers.
Why is the gcf of any even number always even?
By definition, every even number has 2 as a factor. That means that every set of even numbers will have at least 2 as a common factor. The GCF might be higher, but if it has 2 as a factor, it's even.
What is the least common factor of 23 and 25?
Every number has 1 as its factor and 1 is the smallest factor of any number. So least common factor of two or more numbers is always 1. Therefore, least common factor of 23 and 25 is 1.
What is the the least common factor of 23 and 29?
If there is no factor that both of the numbers share (and there is not because they are both prime), then the answer is one. Every number has a factor of one, because every number times one is itself.
Is 1 common factor of 42?
1 is a factor of every nonzero number, so 42 would have it in common with any other number.
Which number is common factor of every number?
1
Which number is greatest factor of every number?
The greatest factor of any number is the number itself. There is no integer that is the greatest factor of every number. One is a factor of every number. One is the GCF of co-prime numbers.
Is eleven a common factor of every number?
nope
How is one a common factor?
It's part of the identity property. Pick a number. Multiply it by one. The answer will be the number. That means that every number has the factor pair of itself and 1, so every number has one as a common factor.
Every number greater than zero has one common factor what is it?
The factor is 1.
What number is a common factor of every set of numbers?
Answer is one.
What number is a common factor of every set of numbers why?
1
How you know that any two numbers have at least one common factor?
The number one is a factor of every number.
Which number is a factor of every number?
1 is a factor of every number.1 is a factor of every number.
Why is the least common factor of any two whole numbers is one?
The number one goes into every number making the the least (lowest) common factor.
Is it possible for two numbers to have no common factors?
No because every single number has a factor of one, therefore you have one as the common factor.
Why is the gcf of any even number always even?
By definition, every even number has 2 as a factor. That means that every set of even numbers will have at least 2 as a common factor. The GCF might be higher, but if it has 2 as a factor, it's even.
