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Is the gcf of a pair of numbers ever greater than both numbers and explain with a example?
A number can't have a factor greater than itself, so the GCF of a pair of numbers can't ever be greater than the smaller number. The GCF of 9 and 18 is 9.
Where can you use prime numbers?
In every math problem you can ever do you can use prime numbers. 1+3 Both prime numbers. Most numbers are not prime but prime numbers only become a broblem when you try to factor them like in simple algebra.
Is the gcf of a pair of numbers ever greater than both numbers?
No, it's never greater than the lesser number.
Is the HCF of two numbers ever 1?
The HCF is the largest number that both numbers can be divided by. If the HCF is 1, that would suggest that the two numbers share no prime factors. Thus, any two numbers which are coprime will have an HCF of 1. Consecutive numbers are good examples here - 15 and 16, 27 and 28, 104 and 105, all have an HCF of 1.
What can 4 and 8 both go into?
Well, sweetheart, 4 and 8 can both go into numbers that are multiples of both 4 and 8. In other words, they can both go into numbers that are divisible by both 4 and 8. So, grab your calculator and start crunching those numbers!
