×
Number Theory

# How Many Dividing Pairs?

· Level 5 (270 points)
← How Many Dividing Pairs? · Level 5 (270 points)

For how many integer values of $$i$$, $$1 \leq i \leq 1000$$, does there exist an integer $$j$$, $$1 \leq j \leq 1000$$, such that $$i$$ is a divisor of $$2^j - 1$$?

×
×