How can I check if elements between lists are equal? [duplicate]

Say I have two lists:

list1 = {a, b, c, d}
list2 = {b, b, d, d}


And I want to get the output

{False, True, False, True}


(so testing when elements of list1 are equal to elements of list2)

How would I do this? I've searched for quite a while, but couldn't find any way to do this.

Side info; this is for Project Euler question 4. I know how I want to solve it, it's just figuring out how to put it into *Mathematica* which is difficult to me.

• If a,b,c,d are numbers, Thread[list1 == list2]. – Αλέξανδρος Ζεγγ Jan 10 '19 at 13:30