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Which Two factors will always go into Even numbers?
1 and 2 are factors of all even numbers.
Is the GCF of any two numbers always odd and why?
The GCF of any two odd numbers is always odd because odd numbers don't have any even factors. The GCF of any two even numbers is always even because even numbers are divisible by two and any common factors would have at least one two in common. The GCF of an even and an odd number is odd because odd numbers don't have any even factors.
Do all even numbers have two factors and why?
Every number except the number 1 has at least two factors, 1 and the number itself. Prime numbers have exactly two factors and composite numbers have more than two factors. All even numbers except the number 2 are composite numbers and have more than two factors. The number 2 is prime and its only factors are 1 and 2.
What two factors are common to every even number?
1 and 2 are common factors to even numbers
Can two odd numbers have an even greatest common factor?
No. Odd numbers don't have even factors.
If two is not a common factor of a pair of numbers what other numbers cannot be common factors?
Even numbers.
What two number are factors of all even numbers?
1 and 2
Is it possible for two numbers that are both even to be relatively prime?
No. Two numbers are relatively prime if they have no prime factors in common. Two even numbers will have 2 as a prime factor in common.
Do odd numbers have an odd or even number of factors?
Both. 9 has three factors. 11 has two factors.
Is the gcf of any two numbers two even numbers always even?
Yes because if it is even then all of it's factors will be even. It is fairly different if it's an odd number. But I will not get into that.
Does even or odd numbers have more factors?
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Do odd or even numbers have more factors?
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
