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 48 and 12, using prime factorization.	142
152	Find Greatest Common Divisor of 15 and 3, using prime factorization.	141
153	Find Greatest Common Divisor of 15 and 18, using prime factorization.	141
154	Find Greatest Common Divisor of 15 and 15, using prime factorization.	140
155	Find Greatest Common Divisor of 26 and 4, using prime factorization.	140
156	Find Greatest Common Divisor of 6 and 15, using prime factorization.	139
157	Find Greatest Common Divisor of 28 and 6, using prime factorization.	139
158	Find Greatest Common Divisor of 12 and 30, using prime factorization.	139
159	Find Greatest Common Divisor of 2 and 16, using prime factorization.	137
160	Find Greatest Common Divisor of 22 and 6, using prime factorization.	136
161	Find Greatest Common Divisor of 50 and 10, using prime factorization.	135
162	Find Greatest Common Divisor of 48, 36 and 124, using repeated division.	134
163	Find Greatest Common Divisor of 25 and 10, using prime factorization.	134
164	Find Greatest Common Divisor of 27 and 45, using prime factorization.	133
165	Find Greatest Common Divisor of 13 and 13, using prime factorization.	133
166	Find Greatest Common Divisor of 9 and 25, using prime factorization.	132
167	Find Greatest Common Divisor of 96 and 20, using prime factorization.	132
168	Find Greatest Common Divisor of 322 and 8925, using prime factorization.	132
169	Find Greatest Common Divisor of 25 and 100, using prime factorization.	131
170	Find Greatest Common Divisor of 3 and 15, using prime factorization.	129
171	Find Greatest Common Divisor of 14 and 7, using prime factorization.	128
172	Find Greatest Common Divisor of 49 and 7, using prime factorization.	128
173	Find Greatest Common Divisor of 6 and 24, using prime factorization.	127
174	Find Greatest Common Divisor of 6 and 20, using prime factorization.	126
175	Find Greatest Common Divisor of 20 and 25, using prime factorization.	126
176	Find Greatest Common Divisor of 2025.	126
177	Find Greatest Common Divisor of 24 and 8, using prime factorization.	124
178	Find Greatest Common Divisor of 75 and 10, using prime factorization.	123
179	Find Greatest Common Divisor of 75 and 90, using prime factorization.	122
180	Find Greatest Common Divisor of 11 and 55, using prime factorization.	121
181	Find Greatest Common Divisor of 22 and 2, using prime factorization.	121
182	Find Greatest Common Divisor of 111 and 999, using prime factorization.	121
183	Find Greatest Common Divisor of 21 and 14, using prime factorization.	120
184	Find Greatest Common Divisor of 24 and 36, using prime factorization.	120
185	Find Greatest Common Divisor of 96 and 15, using prime factorization.	120
186	Find Greatest Common Divisor of 51 and 36, using prime factorization.	119
187	Find Greatest Common Divisor of 790 and 380, using prime factorization.	117
188	Find Greatest Common Divisor of 44 and 4, using prime factorization.	117
189	Find Greatest Common Divisor of 50 and 24, using prime factorization.	117
190	Find Greatest Common Divisor of 39 and 3, using prime factorization.	116
191	Find Greatest Common Divisor of 4 and 22, using prime factorization.	116
192	Find Greatest Common Divisor of 3 and 21, using prime factorization.	115
193	Find Greatest Common Divisor of 35 and 60, using prime factorization.	115
194	Find Greatest Common Divisor of 85 and 90, using prime factorization.	115
195	Find Greatest Common Divisor of 70 and 80, using prime factorization.	115
196	Find Greatest Common Divisor of 45 and 10, using prime factorization.	114
197	Find Greatest Common Divisor of 46 and 2, using prime factorization.	112
198	Find Greatest Common Divisor of 2282 and 10704, using prime factorization.	112
199	Find Greatest Common Divisor of 42 and 9, using prime factorization.	111
200	Find Greatest Common Divisor of 16 and 6, using prime factorization.	110