When you divide by 78 the product of the integers multiplied from 1 in order, what is the smallest integer that you can divide by 78?
Answer
Since if you multiply from 1 to 13, then 2, 3, and 13 are contained, the product of multiply from 1 to 13 can be divided by 78.
13
Solution
78 is factorized into prime factors as 78 = 2 × 3 × 13. Since if you multiply from 1 to 13, then 2, 3, and 13 are contained, the product of multiply from 1 to 13 can be divided by 78.
