They are considered relatively prime or co-prime.
Other than the number 1, there are no common factors of these two numbers.
That list is missing 9 and 18. Composite numbers have more than two factors. That list, when completed, comprises the first counting numbers with more than two factors.
None. 7 and 9 haveno common factors other than 1.Factors of 7: 1, 7Factors of 9: 1, 3, 9
There is no common factor other than 1
5 is a prime number and has no factors other than 1 and 5. Factors of 9 are 1, 3, 9. 5 and 9 have no common factors other than 1.
There are no common factors other than 1.
17 is a prime number and has no factors other than 1 and itself.
Pairs with common factors other than 1.
When there are no common factors other than 1.
If they have no common factors other than 1, the LCM is their product.
You need at least two things to find something in common between them. Decimals don't have factors. Other than that...
11 is prime, so there are no common factors with it other than 1.