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 69 and 15, using prime factorization.	218
202	Find Greatest Common Divisor of 42 and 16, using prime factorization.	217
203	Find Greatest Common Divisor of 51 and 36, using prime factorization.	217
204	Find Greatest Common Divisor of 74 and 37, using prime factorization.	217
205	Find Greatest Common Divisor of 27 and 18, using prime factorization.	215
206	Find Greatest Common Divisor of 8 and 20, using prime factorization.	215
207	Find Greatest Common Divisor of 6 and 16, using prime factorization.	213
208	Find Greatest Common Divisor of 242 and 8, using prime factorization.	212
209	Find Greatest Common Divisor of 32 and 20, using prime factorization.	210
210	Find Greatest Common Divisor of 14 and 21, using prime factorization.	209
211	Find Greatest Common Divisor of 24 and 2, using prime factorization.	208
212	Find Greatest Common Divisor of 46 and 2, using prime factorization.	208
213	Find Greatest Common Divisor of 155 and 10, using prime factorization.	208
214	Find Greatest Common Divisor of 15 and 30, using prime factorization.	208
215	Find Greatest Common Divisor of 22 and 10, using prime factorization.	207
216	Find Greatest Common Divisor of 27 and 3, using prime factorization.	207
217	Find Greatest Common Divisor of 22 and 2, using prime factorization.	207
218	Find Greatest Common Divisor of 120 and 360, using prime factorization.	206
219	Find Greatest Common Divisor of 16 and 8, using prime factorization.	206
220	Find Greatest Common Divisor of 35 and 14, using prime factorization.	206
221	Find Greatest Common Divisor of 84 and 75, using prime factorization.	205
222	Find Greatest Common Divisor of 12 and 44, using prime factorization.	205
223	Find Greatest Common Divisor of 3 and 1, using prime factorization.	203
224	Find Greatest Common Divisor of 24 and 63, using prime factorization.	203
225	Find Greatest Common Divisor of 4 and 18, using prime factorization.	203
226	Find Greatest Common Divisor of 58 and 8, using prime factorization.	202
227	Find Greatest Common Divisor of 10 and 10, using prime factorization.	200
228	Find Greatest Common Divisor of 81 and 25, using prime factorization.	198
229	Find Greatest Common Divisor of 33 and 121, using prime factorization.	197
230	Find Greatest Common Divisor of 32 and 16, using prime factorization.	197
231	Find Greatest Common Divisor of 4 and 32, using prime factorization.	196
232	Find Greatest Common Divisor of 8 and 24, using prime factorization.	196
233	Find Greatest Common Divisor of 36 and 42, using prime factorization.	195
234	Find Greatest Common Divisor of 9216 and 256, using prime factorization.	193
235	Find Greatest Common Divisor of 134 and 2, using prime factorization.	193
236	Find Greatest Common Divisor of 5 and 80, using prime factorization.	192
237	Find Greatest Common Divisor of 49 and 42, using prime factorization.	190
238	Find Greatest Common Divisor of 48, 36 and 124, using repeated division.	190
239	Find Greatest Common Divisor of 68 and 8, using prime factorization.	189
240	Find Greatest Common Divisor of 2026.	189
241	Find Greatest Common Divisor of 25 and 100, using prime factorization.	189
242	Find Greatest Common Divisor of 16 and 2, using prime factorization.	189
243	Find Greatest Common Divisor of 30 and 5, using prime factorization.	188
244	Find Greatest Common Divisor of 30 and 42, using prime factorization.	188
245	Find Greatest Common Divisor of 122 and 427, using prime factorization.	188
246	Find Greatest Common Divisor of 2 and 22, using prime factorization.	187
247	Find Greatest Common Divisor of 21 and 9, using prime factorization.	186
248	Find Greatest Common Divisor of 26 and 14, using prime factorization.	185
249	Find Greatest Common Divisor of 65 and 5, using prime factorization.	185
250	Find Greatest Common Divisor of 16 and 24, using prime factorization.	185