What is the minimum number of pens that can be shared among 2, 4 or 10 students?
To be able to share pens among 2, 4 or 10 students, the number of pens must be divisible by 2, 4 and 10.
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Multiples of 4: 4, 8, 12, 16, 20
Multiples of 10: 10, 20
Lowest common multiple of 2, 4 and 10: 20
Minimum number of pens that can be shared among 2, 4 or 10 students: 20
Answer(s): 20