Divide By 30
Problem of the Week - September 05, 2022
If you divided the sum of the expression 1! + 2! + 3! + … + 148! + 149! + 150! by 30, what would be the remainder? (note: 4! = (4)(3)(2)(1) = 24).
Immediately after your correct answer is submitted, your name will be posted here.
Past problems
Individual Monthly & Annual Rankings
Leaderboard Monthly & Annual Rankings
Request solution
Custom Leaderboards Are Here!
Take the competition to the next level and encourage participation by creating custom leaderboards for your students or friends to join. Click below to try it out now!