Yes.
Their product.
The GCF of consecutive integers is 1.
The LCM is 156.
No 5 is a prime number and 12 is composite number
Only the 1 times table. 12 and 55 are coprime.
130
Their product.
They are coprime so the only factor of both 7 and 12 is 1.
No. The two numbers have multiple common factors, the highest of which is 12.
The fraction is 12/125. The two numbers are coprime and so the fraction cannot be simplified.
182
3 and13/100