Factors of 900 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, and 900
180 has 18 (1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 38, 45, 60, 90, 180)
300 has 18 (1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300)
That's it, 2 of them
180, 450 and 300
920
Six factors.
Positive factors of 900: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900 Total: 27 factors
Besides 1 and itself (18) it has 4: 2,3,6,9.
This number would have to be a squared number as it only has 15 factors. The number I have calculated is 324 as the square root is 18
Four numbers less than thirty, 12, 18, 20, and 28, each have exactly 6 factors.
Since 50 is a factor of 900, all of its factors are common.
18 has 6 factors.
920
Six factors.
18 has six factors: 1, 2, 3, 6, 9, 18
Exactly 18 minutes in 18 minutes.
1,2,3,6,9,18 Six factors.
Positive factors of 900: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900 Total: 27 factors
6
50
The only number less than 100 with exactly nine factors is 36. 19 is not one of the factors.