957.4286
16.7895
957
No, the sum of the digits is 9+5+7=21 so we know three is a factor because 21 is a multiple of 3.In face 957 divided by 3 is 319
29
The factors of 957 are: 1 3 11 29 33 87 319 957
119.625
3 x 11 x 29 = 957
0.0815
0.001
It is: 957
The common factors of 609 and 957 are 1, 3, 29 and 87. No 3-digit numbers.