Divisors of Two Numbers
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Counting
A=≤ft\x : 180/x=k,\ x and k are natural numbers \
B=≤ft\x : 120/x=k,\ x∈ A,\ k∈mathbbN \
How many elements does the set B have?
Difficulty: Medium · Topics: Discrete Mathematics, Sets, Counting
A=≤ft\x : 180/x=k,\ x and k are natural numbers \
B=≤ft\x : 120/x=k,\ x∈ A,\ k∈mathbbN \
How many elements does the set B have?