Question

How many sets of four consecutive positive integers are there such that the product of the four integers is less than $100,\!000$

Answer 1

16,17,18,19

Explanation:

one guy guessed. probably using a calculator

another guy took the 4th root of 100,000 and rounded down a number

(a third way started like this

n*(n+1)*(n+2)(n+3)=100000