The correct spelling is "greatest" (best, largest).
There may be others but here are some of the better known 'greats.'St. Albert the GreatSt. Anthony the GreatSt. Basil the GreatSt. Gertrude the GreatSt. Gregory the GreatSt. Leo the GreatThere is also St. Athanasius who was given the title of 'the Great' by the Orthodox Church but does not usually have that title in the Catholic Church.
It is: 5
It is: 15
The GCF is 1.
it sucks balls
97.
135 is the greatest divisor of 135.
The GCF is 6.
The GCF is 3.
The GCF is 3.
The GCF is 24.
The GCF is 1.