GCD

(the database of solved problems)

All the problems and solutions shown below were generated using the GCD Calculator.

Select category

ID	Problem	Count
51	Find Greatest Common Divisor of 4 and 58, using prime factorization.	244
52	Find Greatest Common Divisor of 24 and 28, using prime factorization.	243
53	Find Greatest Common Divisor of 10 and 25, using prime factorization.	241
54	Find Greatest Common Divisor of 34 and 10, using prime factorization.	239
55	Find Greatest Common Divisor of 14 and 8, using prime factorization.	237
56	Find Greatest Common Divisor of 9 and 3, using prime factorization.	236
57	Find Greatest Common Divisor of 5 and 20, using prime factorization.	236
58	Find Greatest Common Divisor of 5 and 315, using prime factorization.	234
59	Find Greatest Common Divisor of 38 and 2, using prime factorization.	234
60	Find Greatest Common Divisor of 15 and 100, using prime factorization.	234
61	Find Greatest Common Divisor of 238 and 12, using prime factorization.	233
62	Find Greatest Common Divisor of 9 and 15, using prime factorization.	232
63	Find Greatest Common Divisor of 99 and 33, using prime factorization.	230
64	Find Greatest Common Divisor of 20 and 8, using prime factorization.	228
65	Find Greatest Common Divisor of 70 and 50, using prime factorization.	227
66	Find Greatest Common Divisor of 10 and 8, using prime factorization.	227
67	Find Greatest Common Divisor of 1152 and 1664, using prime factorization.	225
68	Find Greatest Common Divisor of 46 and 8, using prime factorization.	224
69	Find Greatest Common Divisor of 15 and 20, using prime factorization.	219
70	Find Greatest Common Divisor of 3 and 33, using prime factorization.	218
71	Find Greatest Common Divisor of 6 and 2, using prime factorization.	218
72	Find Greatest Common Divisor of 7 and 7, using prime factorization.	217
73	Find Greatest Common Divisor of 32 and 30, using prime factorization.	216
74	Find Greatest Common Divisor of 25 and 60, using prime factorization.	213
75	Find Greatest Common Divisor of 168 and 10, using prime factorization.	213
76	Find Greatest Common Divisor of 91 and 21, using prime factorization.	211
77	Find Greatest Common Divisor of 56 and 8, using prime factorization.	211
78	Find Greatest Common Divisor of 222 and 254, using prime factorization.	211
79	Find Greatest Common Divisor of 445 and 650, using prime factorization.	210
80	Find Greatest Common Divisor of 39 and 42, using prime factorization.	210
81	Find Greatest Common Divisor of 9 and 18, using prime factorization.	209
82	Find Greatest Common Divisor of 11 and 253, using prime factorization.	207
83	Find Greatest Common Divisor of 21 and 3, using prime factorization.	206
84	Find Greatest Common Divisor of 14 and 4, using prime factorization.	205
85	Find Greatest Common Divisor of 96 and 8, using prime factorization.	205
86	Find Greatest Common Divisor of 2 and 48, using prime factorization.	203
87	Find Greatest Common Divisor of 8 and 10, using prime factorization.	202
88	Find Greatest Common Divisor of 12 and 8, using prime factorization.	202
89	Find Greatest Common Divisor of 189 and 30, using prime factorization.	201
90	Find Greatest Common Divisor of 170 and 2, using prime factorization.	201
91	Find Greatest Common Divisor of 5 and 25, using prime factorization.	199
92	Find Greatest Common Divisor of 27 and 9, using prime factorization.	199
93	Find Greatest Common Divisor of 1 and 4, using prime factorization.	198
94	Find Greatest Common Divisor of 33 and 9, using prime factorization.	198
95	Find Greatest Common Divisor of 6 and 12, using prime factorization.	198
96	Find Greatest Common Divisor of 5 and 8, using prime factorization.	197
97	Find Greatest Common Divisor of 48, 36 and 124, using prime factorization.	197
98	Find Greatest Common Divisor of 12 and 20, using prime factorization.	196
99	Find Greatest Common Divisor of 1240 and 645, using prime factorization.	196
100	Find Greatest Common Divisor of 81 and 36, using prime factorization.	193