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
1	Find Greatest Common Divisor of 3 and 6, using prime factorization.	953
2	Find Greatest Common Divisor of 6 and 9, using prime factorization.	923
3	Find Greatest Common Divisor of 8 and 12, using prime factorization.	848
4	Find Greatest Common Divisor of 4 and 8, using prime factorization.	799
5	Find Greatest Common Divisor of 4 and 6, using prime factorization.	780
6	Find Greatest Common Divisor of 2 and 6, using prime factorization.	738
7	Find Greatest Common Divisor of 3 and 3, using prime factorization.	651
8	Find Greatest Common Divisor of 2 and 4, using prime factorization.	617
9	Find Greatest Common Divisor of 2 and 2, using prime factorization.	587
10	Find Greatest Common Divisor of 6 and 3, using prime factorization.	585
11	Find Greatest Common Divisor of 5 and 10, using prime factorization.	549
12	Find Greatest Common Divisor of 5 and 5, using prime factorization.	506
13	Find Greatest Common Divisor of 7 and 21, using prime factorization.	479
14	Find Greatest Common Divisor of 8 and 4, using prime factorization.	463
15	Find Greatest Common Divisor of 6 and 10, using prime factorization.	442
16	Find Greatest Common Divisor of 15 and 10, using prime factorization.	439
17	Find Greatest Common Divisor of 6 and 8, using prime factorization.	432
18	Find Greatest Common Divisor of 18 and 24, using prime factorization.	410
19	Find Greatest Common Divisor of 3 and 9, using prime factorization.	405
20	Find Greatest Common Divisor of 4 and 4, using prime factorization.	398
21	Find Greatest Common Divisor of 10 and 2, using prime factorization.	390
22	Find Greatest Common Divisor of 5 and 15, using prime factorization.	386
23	Find Greatest Common Divisor of 10 and 4, using prime factorization.	377
24	Find Greatest Common Divisor of 9 and 9, using prime factorization.	372
25	Find Greatest Common Divisor of 16 and 16, using prime factorization.	366
26	Find Greatest Common Divisor of 38 and 8, using prime factorization.	365
27	Find Greatest Common Divisor of 4 and 12, using prime factorization.	365
28	Find Greatest Common Divisor of 9 and 6, using prime factorization.	341
29	Find Greatest Common Divisor of 8 and 2, using prime factorization.	339
30	Find Greatest Common Divisor of 9 and 12, using prime factorization.	338
31	Find Greatest Common Divisor of 45 and 60, using prime factorization.	333
32	Find Greatest Common Divisor of 7 and 14, using prime factorization.	331
33	Find Greatest Common Divisor of 4 and 30, using prime factorization.	330
34	Find Greatest Common Divisor of 60 and 5, using prime factorization.	328
35	Find Greatest Common Divisor of 375 and 1, using prime factorization.	328
36	Find Greatest Common Divisor of 4 and 2, using prime factorization.	323
37	Find Greatest Common Divisor of 12 and 16, using prime factorization.	321
38	Find Greatest Common Divisor of 25 and 125, using prime factorization.	321
39	Find Greatest Common Divisor of 16 and 36, using prime factorization.	304
40	Find Greatest Common Divisor of 6 and 4, using prime factorization.	292
41	Find Greatest Common Divisor of 2 and 8, using prime factorization.	292
42	Find Greatest Common Divisor of 123 and 36, using prime factorization.	288
43	Find Greatest Common Divisor of 6 and 6, using prime factorization.	287
44	Find Greatest Common Divisor of 5 and 20, using prime factorization.	287
45	Find Greatest Common Divisor of 34 and 10, using prime factorization.	284
46	Find Greatest Common Divisor of 33 and 44, using prime factorization.	284
47	Find Greatest Common Divisor of 324 and 38, using prime factorization.	282
48	Find Greatest Common Divisor of 64 and 4, using prime factorization.	282
49	Find Greatest Common Divisor of 9 and 3, using prime factorization.	273
50	Find Greatest Common Divisor of 7 and 35, using prime factorization.	271