60 and 80
It is: 80
To be a multiple of 4, 10 and 20 the number must be a multiple of their lowest common multiple. lcm(4, 10, 20) = 20 What is required is a multiple of 20 between 61 and 107. The numbers 80 and 100 both satisfy the problem of being between 61 and 107 and being a multiple of 4, 10 and 20.
80, 100
60, 80 and 100
The least common multiple of the numbers 2, 10 and 20 is 20.
The least common multiple of the numbers 20, 18 and 10 is 180.
The least common multiple of the numbers 25, 20 and 10 is 100.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
10 and 20, among others.
10 is a multiple of 5 and a factor of 20
20, 30, 40, 50, 60, 70, 80, 90.
set of odd numbers divisible by 2 between 10 and 20