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
201	Find Greatest Common Divisor of 20 and 5, using prime factorization.	197
202	Find Greatest Common Divisor of 6 and 20, using prime factorization.	197
203	Find Greatest Common Divisor of 80 and 110, using prime factorization.	197
204	Find Greatest Common Divisor of 20 and 2, using prime factorization.	195
205	Find Greatest Common Divisor of 3 and 1, using prime factorization.	195
206	Find Greatest Common Divisor of 18 and 3, using prime factorization.	195
207	Find Greatest Common Divisor of 155 and 10, using prime factorization.	195
208	Find Greatest Common Divisor of 58 and 8, using prime factorization.	195
209	Find Greatest Common Divisor of 69 and 15, using prime factorization.	194
210	Find Greatest Common Divisor of 8 and 20, using prime factorization.	194
211	Find Greatest Common Divisor of 12 and 4, using prime factorization.	193
212	Find Greatest Common Divisor of 12 and 44, using prime factorization.	190
213	Find Greatest Common Divisor of 74 and 37, using prime factorization.	189
214	Find Greatest Common Divisor of 36 and 3, using prime factorization.	188
215	Find Greatest Common Divisor of 35 and 14, using prime factorization.	188
216	Find Greatest Common Divisor of 14 and 21, using prime factorization.	188
217	Find Greatest Common Divisor of 36 and 42, using prime factorization.	187
218	Find Greatest Common Divisor of 42 and 16, using prime factorization.	186
219	Find Greatest Common Divisor of 32 and 16, using prime factorization.	185
220	Find Greatest Common Divisor of 5 and 80, using prime factorization.	184
221	Find Greatest Common Divisor of 48, 36 and 124, using repeated division.	183
222	Find Greatest Common Divisor of 24 and 2, using prime factorization.	183
223	Find Greatest Common Divisor of 22 and 2, using prime factorization.	182
224	Find Greatest Common Divisor of 120 and 360, using prime factorization.	181
225	Find Greatest Common Divisor of 13425 and 179, using prime factorization.	180
226	Find Greatest Common Divisor of 30 and 42, using prime factorization.	180
227	Find Greatest Common Divisor of 134 and 2, using prime factorization.	178
228	Find Greatest Common Divisor of 2 and 22, using prime factorization.	177
229	Find Greatest Common Divisor of 2026.	177
230	Find Greatest Common Divisor of 15 and 30, using prime factorization.	177
231	Find Greatest Common Divisor of 30 and 5, using prime factorization.	176
232	Find Greatest Common Divisor of 9216 and 256, using prime factorization.	176
233	Find Greatest Common Divisor of 27 and 3, using prime factorization.	176
234	Find Greatest Common Divisor of 45 and 21, using prime factorization.	176
235	Find Greatest Common Divisor of 49 and 42, using prime factorization.	176
236	Find Greatest Common Divisor of 49 and 7, using prime factorization.	175
237	Find Greatest Common Divisor of 50 and 24, using prime factorization.	175
238	Find Greatest Common Divisor of 16 and 8, using prime factorization.	175
239	Find Greatest Common Divisor of 44 and 22, using prime factorization.	175
240	Find Greatest Common Divisor of 2025.	173
241	Find Greatest Common Divisor of 25 and 100, using prime factorization.	173
242	Find Greatest Common Divisor of 4 and 18, using prime factorization.	173
243	Find Greatest Common Divisor of 33 and 121, using prime factorization.	173
244	Find Greatest Common Divisor of 265 and 30, using prime factorization.	173
245	Find Greatest Common Divisor of 6 and 16, using prime factorization.	172
246	Find Greatest Common Divisor of 65 and 5, using prime factorization.	172
247	Find Greatest Common Divisor of 10 and 10, using prime factorization.	172
248	Find Greatest Common Divisor of 68 and 8, using prime factorization.	171
249	Find Greatest Common Divisor of 81 and 25, using prime factorization.	170
250	Find Greatest Common Divisor of 21 and 9, using prime factorization.	168