MathCastle
Number TheorySuperchallengeFactors & Multiples

Factors & Multiples · Superchallenge problem

For how many integers mm with 1≤m≤1001 \le m \le 100 is lcm⁡(m,m+1,…,100)=lcm⁡(1,2,…,100)\operatorname{lcm}(m, m+1, \ldots, 100) = \operatorname{lcm}(1, 2, \ldots, 100)?