There are 80 such numbers.
No; it is divisible only by its factors (1, 2, 4, 5, 8, 10, 16, 20, 40, and 80).
80
50
An infinity. There is an infinity of numbers between any two numbers. I you want whole numbers, there are 31.
The only one is 90.
There are 9 numbers evenly divisible by 10 : 10, 20, 30, 40, 50, 60, 70, 80, and 90
There are 10 numbers between 10 and 80 that are divisible by 7 with no remainder: 14, 21, 28, 35, 42, 49, 56, 63, 70, and 77.
56, 64, 72, 80, 88, 96.
There are 80 such numbers.
The answer is twenty but there are many more.
There are 5 prime numbers from 60 to 80:61, 67, 71, 73 and 79
Numbers that are divisible by 80 are itself and any of its other multiples
To be divisible by both 4 and 5, the number has to be divisible by 20. Therefore, there are 12 numbers between 1 and 240, inclusive, which are divisible by 4 and 5: 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240.
Eight: 45, 50, 55, 60, 65, 70, 75 and 80.
Prime numbers between 71 to 80 = 73 and 79 Therefore there are 2 prime numbers between 71 to 80.
There are 12 such numbers: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96.