Lemma practice generator divisible-by-either #39,882,830 · Combinatorics · Inclusion–exclusion
Divisible by one or the other
How many integers from to are divisible by or by ?
Stuck? A gentle nudge
No hints for this one.
Your answer
Loading the math keyboard…
Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.