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 445 and 650, using prime factorization.	312
102	Find Greatest Common Divisor of 46 and 8, using prime factorization.	312
103	Find Greatest Common Divisor of 15 and 3, using prime factorization.	311
104	Find Greatest Common Divisor of 14 and 28, using prime factorization.	309
105	Find Greatest Common Divisor of 4 and 22, using prime factorization.	309
106	Find Greatest Common Divisor of 22 and 6, using prime factorization.	306
107	Find Greatest Common Divisor of 12 and 15, using prime factorization.	306
108	Find Greatest Common Divisor of 99 and 33, using prime factorization.	305
109	Find Greatest Common Divisor of 15 and 6, using prime factorization.	305
110	Find Greatest Common Divisor of 222 and 254, using prime factorization.	303
111	Find Greatest Common Divisor of 15 and 100, using prime factorization.	297
112	Find Greatest Common Divisor of 21 and 14, using prime factorization.	294
113	Find Greatest Common Divisor of 21 and 3, using prime factorization.	294
114	Find Greatest Common Divisor of 2 and 48, using prime factorization.	294
115	Find Greatest Common Divisor of 12 and 6, using prime factorization.	292
116	Find Greatest Common Divisor of 42823 and 6409, using prime factorization.	289
117	Find Greatest Common Divisor of 50 and 5, using prime factorization.	289
118	Find Greatest Common Divisor of 11 and 22, using prime factorization.	288
119	Find Greatest Common Divisor of 70 and 50, using prime factorization.	288
120	Find Greatest Common Divisor of 30 and 45, using prime factorization.	288
121	Find Greatest Common Divisor of 15 and 15, using prime factorization.	288
122	Find Greatest Common Divisor of 14 and 2, using prime factorization.	287
123	Find Greatest Common Divisor of 1240 and 645, using prime factorization.	287
124	Find Greatest Common Divisor of 1152 and 1664, using prime factorization.	284
125	Find Greatest Common Divisor of 91 and 21, using prime factorization.	283
126	Find Greatest Common Divisor of 12 and 30, using prime factorization.	283
127	Find Greatest Common Divisor of 28 and 36, using prime factorization.	282
128	Find Greatest Common Divisor of 108 and 10, using prime factorization.	282
129	Find Greatest Common Divisor of 189 and 30, using prime factorization.	280
130	Find Greatest Common Divisor of 16 and 4, using prime factorization.	280
131	Find Greatest Common Divisor of 96 and 8, using prime factorization.	279
132	Find Greatest Common Divisor of 24 and 3, using prime factorization.	278
133	Find Greatest Common Divisor of 18 and 12, using prime factorization.	276
134	Find Greatest Common Divisor of 8 and 16, using prime factorization.	276
135	Find Greatest Common Divisor of 24 and 8, using prime factorization.	276
136	Find Greatest Common Divisor of 20 and 25, using prime factorization.	275
137	Find Greatest Common Divisor of 18 and 42, using prime factorization.	274
138	Find Greatest Common Divisor of 32 and 30, using prime factorization.	274
139	Find Greatest Common Divisor of 11 and 253, using prime factorization.	272
140	Find Greatest Common Divisor of 15 and 18, using prime factorization.	270
141	Find Greatest Common Divisor of 35 and 15, using prime factorization.	270
142	Find Greatest Common Divisor of 56 and 8, using prime factorization.	270
143	Find Greatest Common Divisor of 25 and 10, using prime factorization.	269
144	Find Greatest Common Divisor of 12 and 3, using prime factorization.	269
145	Find Greatest Common Divisor of 13 and 13, using prime factorization.	268
146	Find Greatest Common Divisor of 5 and 25, using prime factorization.	266
147	Find Greatest Common Divisor of 18 and 4, using prime factorization.	264
148	Find Greatest Common Divisor of 1 and 4, using prime factorization.	263
149	Find Greatest Common Divisor of 12 and 18, using prime factorization.	263
150	Find Greatest Common Divisor of 5 and 315, using prime factorization.	262