GCD

(the database of solved problems)

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

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ID	Problem	Count
101	Find Greatest Common Divisor of 33 and 9, using prime factorization.	234
102	Find Greatest Common Divisor of 56 and 8, using prime factorization.	234
103	Find Greatest Common Divisor of 96 and 8, using prime factorization.	233
104	Find Greatest Common Divisor of 32 and 30, using prime factorization.	232
105	Find Greatest Common Divisor of 42823 and 6409, using prime factorization.	232
106	Find Greatest Common Divisor of 5 and 25, using prime factorization.	230
107	Find Greatest Common Divisor of 66 and 100, using prime factorization.	230
108	Find Greatest Common Divisor of 30 and 45, using prime factorization.	230
109	Find Greatest Common Divisor of 2 and 48, using prime factorization.	228
110	Find Greatest Common Divisor of 189 and 30, using prime factorization.	227
111	Find Greatest Common Divisor of 15 and 5, using prime factorization.	227
112	Find Greatest Common Divisor of 18 and 12, using prime factorization.	224
113	Find Greatest Common Divisor of 1240 and 645, using prime factorization.	224
114	Find Greatest Common Divisor of 39 and 42, using prime factorization.	223
115	Find Greatest Common Divisor of 39 and 78, using prime factorization.	223
116	Find Greatest Common Divisor of 12 and 6, using prime factorization.	223
117	Find Greatest Common Divisor of 11 and 253, using prime factorization.	223
118	Find Greatest Common Divisor of 108 and 10, using prime factorization.	220
119	Find Greatest Common Divisor of 25 and 25, using prime factorization.	220
120	Find Greatest Common Divisor of 8 and 8, using prime factorization.	216
121	Find Greatest Common Divisor of 15 and 15, using prime factorization.	214
122	Find Greatest Common Divisor of 14 and 49, using prime factorization.	214
123	Find Greatest Common Divisor of 170 and 2, using prime factorization.	213
124	Find Greatest Common Divisor of 3 and 24, using prime factorization.	212
125	Find Greatest Common Divisor of 3 and 12, using prime factorization.	211
126	Find Greatest Common Divisor of 14 and 28, using prime factorization.	210
127	Find Greatest Common Divisor of 14 and 2, using prime factorization.	210
128	Find Greatest Common Divisor of 71 and 71, using prime factorization.	209
129	Find Greatest Common Divisor of 1 and 4, using prime factorization.	208
130	Find Greatest Common Divisor of 4 and 22, using prime factorization.	206
131	Find Greatest Common Divisor of 22 and 24, using prime factorization.	205
132	Find Greatest Common Divisor of 22 and 6, using prime factorization.	203
133	Find Greatest Common Divisor of 20 and 25, using prime factorization.	203
134	Find Greatest Common Divisor of 54 and 24, using prime factorization.	202
135	Find Greatest Common Divisor of 35 and 15, using prime factorization.	201
136	Find Greatest Common Divisor of 15 and 6, using prime factorization.	199
137	Find Greatest Common Divisor of 24 and 8, using prime factorization.	198
138	Find Greatest Common Divisor of 18 and 42, using prime factorization.	198
139	Find Greatest Common Divisor of 28 and 6, using prime factorization.	198
140	Find Greatest Common Divisor of 3 and 15, using prime factorization.	197
141	Find Greatest Common Divisor of 82 and 12, using prime factorization.	196
142	Find Greatest Common Divisor of 14 and 7, using prime factorization.	194
143	Find Greatest Common Divisor of 12 and 15, using prime factorization.	190
144	Find Greatest Common Divisor of 24 and 3, using prime factorization.	189
145	Find Greatest Common Divisor of 25 and 10, using prime factorization.	189
146	Find Greatest Common Divisor of 242 and 8, using prime factorization.	188
147	Find Greatest Common Divisor of 5 and 7, using prime factorization.	188
148	Find Greatest Common Divisor of 15 and 3, using prime factorization.	187
149	Find Greatest Common Divisor of 25 and 15, using prime factorization.	187
150	Find Greatest Common Divisor of 2 and 16, using prime factorization.	186