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Is it not true that the sum of two even numbers is never odd?
It is true that the sum of 2 even numbers is never odd
Is it true that if the GCF of any two odd numbers is always even true or false?
It is false.
What five odd numbers add up to 100?
No 5 odd numbers add up to 100. The sum of any two odd numbers is even. The sum of any two even numbers is even. So the sum of any 4 odd numbers must be even. Take that and add an odd number and the sum must be odd. Therefore, the sum of any 5 odd numbers must be odd. 100 is even. In conclusion: The sum of any odd number of odd numbers is odd.
Is it true that the greatest common factor of any to our numbers is always odd?
No, it is not true: it depends on what your numbers are.
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.
Is the GCF of any two even numbers is always even?
The GCF of any two odd numbers is always odd. The GCF of any two even numbers is always even. The GCF of an odd and an even number is always odd.
Is it true that if you add 2 prime numbers you always get an even number?
As long as one of the numbers isn't 2, adding any two prime numbers results in an even number. Why? 1.) Adding any two odd numbers gives an even number, 2.) adding an odd and an even gives an odd, and 3.) all primes are odd, except for 2.
Why is the GCF of any odd numbers always odd?
The GCF of any set of odd numbers is odd because odd numbers don't have any even factors.
Is this true for any two odd number?
There are two truths about odd numbers. When added you get an even number... always! When multiplied you get an odd number... always!
Which pair of numbers has an odd product and an even sum?
Any two odd numbers will have an odd product and an even sum.
When you multiply two prime numbers you always get an odd number?
For 'odd' prime numbers this is true, but '2' is also a prime number , so you will have an even answer. Remember when multiplying even X even = even even X odd = even odd X even = even odd x odd = odd.
Is it true or false that the greatest common factor of any 2 odd numbers is odd?
True
