7 divided by 55.3 is 0.1265822784810 . . . recurring.
7.473
79
Square root of 553 is less, than 24, so we should only check the division by the numbers less than 24. 553 is not divided by 2, 3, 5, ... But, it is divided by 7, so, it is composite/
276.5
3.6867
184.3333
7 x 79 = 553
79*7=553
553
The GCF is 7.
0.0018
7/12 x 948 = 553