Greatest Common Divisor (GCD)

Solution Set	Given Numbers	GCD
1	21,18,3	3
2	27,18,12	3
3	50,10,30	10
4	527,62,899	31
5	475,361,437	19
6	30,36,54	6
7	744,961,899	31
8	66,44,55	11
9	40,80,72	8
10	56,80,32	8
11	285,209,513	19
12	348,725,377	29
13	45,90,72	9
14	620,217,434	31
15	30,60,50	10
16	116,580,667	29
17	24,8,56	8
18	15,18,27	3
19	266,437,247	19
20	56,98,70	14
21	299,26,247	13
22	49,28,70	7
23	24,6,18	6
24	70,10,50	10
25	12,20,28	4
26	551,38,589	19
27	40,16,72	8
28	45,40,25	5
29	56,48,8	8
30	14,4,18	2
31	39,299,377	13
32	15,6,27	3
33	77,66,11	11
34	72,56,40	8
35	391,85,119	17
36	551,209,361	19
37	81,54,63	9
38	40,80,48	8
39	558,713,589	31
40	65,143,169	13
41	12,21,15	3
42	87,203,551	29
43	589,93,713	31
44	35,30,20	5
45	221,187,323	17
46	42,14,70	14
47	114,437,589	19
48	63,70,14	7
49	81,36,90	9
50	15,27,9	3