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
151	Find Greatest Common Divisor of 13 and 13, using prime factorization.	213
152	Find Greatest Common Divisor of 15 and 18, using prime factorization.	212
153	Find Greatest Common Divisor of 25 and 10, using prime factorization.	212
154	Find Greatest Common Divisor of 44 and 4, using prime factorization.	212
155	Find Greatest Common Divisor of 12 and 30, using prime factorization.	210
156	Find Greatest Common Divisor of 75 and 10, using prime factorization.	209
157	Find Greatest Common Divisor of 48 and 12, using prime factorization.	209
158	Find Greatest Common Divisor of 28 and 64, using prime factorization.	208
159	Find Greatest Common Divisor of 50 and 5, using prime factorization.	208
160	Find Greatest Common Divisor of 2 and 16, using prime factorization.	205
161	Find Greatest Common Divisor of 12 and 3, using prime factorization.	205
162	Find Greatest Common Divisor of 82 and 12, using prime factorization.	205
163	Find Greatest Common Divisor of 75 and 90, using prime factorization.	201
164	Find Greatest Common Divisor of 39 and 90, using prime factorization.	201
165	Find Greatest Common Divisor of 6 and 24, using prime factorization.	200
166	Find Greatest Common Divisor of 111 and 63, using prime factorization.	199
167	Find Greatest Common Divisor of 27 and 18, using prime factorization.	198
168	Find Greatest Common Divisor of 25 and 15, using prime factorization.	196
169	Find Greatest Common Divisor of 46 and 2, using prime factorization.	196
170	Find Greatest Common Divisor of 27 and 45, using prime factorization.	195
171	Find Greatest Common Divisor of 96 and 20, using prime factorization.	195
172	Find Greatest Common Divisor of 30 and 6, using prime factorization.	195
173	Find Greatest Common Divisor of 15 and 40, using prime factorization.	194
174	Find Greatest Common Divisor of 8 and 16, using prime factorization.	191
175	Find Greatest Common Divisor of 26 and 4, using prime factorization.	190
176	Find Greatest Common Divisor of 242 and 8, using prime factorization.	190
177	Find Greatest Common Divisor of 9 and 25, using prime factorization.	190
178	Find Greatest Common Divisor of 22 and 10, using prime factorization.	190
179	Find Greatest Common Divisor of 32 and 20, using prime factorization.	189
180	Find Greatest Common Divisor of 3 and 63, using prime factorization.	187
181	Find Greatest Common Divisor of 24 and 36, using prime factorization.	187
182	Find Greatest Common Divisor of 7 and 12, using prime factorization.	187
183	Find Greatest Common Divisor of 3 and 1, using prime factorization.	185
184	Find Greatest Common Divisor of 84 and 75, using prime factorization.	184
185	Find Greatest Common Divisor of 11 and 11, using prime factorization.	182
186	Find Greatest Common Divisor of 155 and 10, using prime factorization.	182
187	Find Greatest Common Divisor of 16 and 6, using prime factorization.	182
188	Find Greatest Common Divisor of 10 and 5, using prime factorization.	180
189	Find Greatest Common Divisor of 6 and 20, using prime factorization.	179
190	Find Greatest Common Divisor of 58 and 8, using prime factorization.	179
191	Find Greatest Common Divisor of 51 and 36, using prime factorization.	178
192	Find Greatest Common Divisor of 16 and 4, using prime factorization.	177
193	Find Greatest Common Divisor of 5 and 80, using prime factorization.	177
194	Find Greatest Common Divisor of 35 and 14, using prime factorization.	176
195	Find Greatest Common Divisor of 36 and 42, using prime factorization.	176
196	Find Greatest Common Divisor of 2 and 10, using prime factorization.	175
197	Find Greatest Common Divisor of 13425 and 179, using prime factorization.	175
198	Find Greatest Common Divisor of 50 and 10, using prime factorization.	173
199	Find Greatest Common Divisor of 38 and 10, using prime factorization.	173
200	Find Greatest Common Divisor of 40 and 5, using prime factorization.	171