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.	1051
2	Find Greatest Common Divisor of 6 and 9, using prime factorization.	1009
3	Find Greatest Common Divisor of 4 and 8, using prime factorization.	955
4	Find Greatest Common Divisor of 8 and 12, using prime factorization.	934
5	Find Greatest Common Divisor of 4 and 6, using prime factorization.	891
6	Find Greatest Common Divisor of 2 and 6, using prime factorization.	776
7	Find Greatest Common Divisor of 3 and 3, using prime factorization.	682
8	Find Greatest Common Divisor of 6 and 3, using prime factorization.	681
9	Find Greatest Common Divisor of 2 and 4, using prime factorization.	673
10	Find Greatest Common Divisor of 2 and 2, using prime factorization.	644
11	Find Greatest Common Divisor of 5 and 10, using prime factorization.	619
12	Find Greatest Common Divisor of 8 and 4, using prime factorization.	557
13	Find Greatest Common Divisor of 5 and 5, using prime factorization.	547
14	Find Greatest Common Divisor of 7 and 21, using prime factorization.	531
15	Find Greatest Common Divisor of 6 and 10, using prime factorization.	497
16	Find Greatest Common Divisor of 6 and 8, using prime factorization.	488
17	Find Greatest Common Divisor of 15 and 10, using prime factorization.	483
18	Find Greatest Common Divisor of 18 and 24, using prime factorization.	462
19	Find Greatest Common Divisor of 10 and 2, using prime factorization.	447
20	Find Greatest Common Divisor of 3 and 9, using prime factorization.	443
21	Find Greatest Common Divisor of 5 and 15, using prime factorization.	443
22	Find Greatest Common Divisor of 4 and 4, using prime factorization.	440
23	Find Greatest Common Divisor of 10 and 4, using prime factorization.	433
24	Find Greatest Common Divisor of 4 and 12, using prime factorization.	410
25	Find Greatest Common Divisor of 16 and 16, using prime factorization.	405
26	Find Greatest Common Divisor of 38 and 8, using prime factorization.	403
27	Find Greatest Common Divisor of 45 and 60, using prime factorization.	402
28	Find Greatest Common Divisor of 9 and 9, using prime factorization.	402
29	Find Greatest Common Divisor of 9 and 6, using prime factorization.	382
30	Find Greatest Common Divisor of 8 and 2, using prime factorization.	382
31	Find Greatest Common Divisor of 4 and 2, using prime factorization.	378
32	Find Greatest Common Divisor of 9 and 12, using prime factorization.	372
33	Find Greatest Common Divisor of 12 and 16, using prime factorization.	369
34	Find Greatest Common Divisor of 4 and 30, using prime factorization.	366
35	Find Greatest Common Divisor of 25 and 125, using prime factorization.	361
36	Find Greatest Common Divisor of 7 and 14, using prime factorization.	359
37	Find Greatest Common Divisor of 2 and 8, using prime factorization.	355
38	Find Greatest Common Divisor of 375 and 1, using prime factorization.	349
39	Find Greatest Common Divisor of 60 and 5, using prime factorization.	347
40	Find Greatest Common Divisor of 6 and 4, using prime factorization.	344
41	Find Greatest Common Divisor of 34 and 10, using prime factorization.	328
42	Find Greatest Common Divisor of 6 and 6, using prime factorization.	323
43	Find Greatest Common Divisor of 5 and 20, using prime factorization.	323
44	Find Greatest Common Divisor of 10 and 8, using prime factorization.	323
45	Find Greatest Common Divisor of 16 and 36, using prime factorization.	321
46	Find Greatest Common Divisor of 48 and 72, using prime factorization.	320
47	Find Greatest Common Divisor of 123 and 36, using prime factorization.	318
48	Find Greatest Common Divisor of 9 and 15, using prime factorization.	310
49	Find Greatest Common Divisor of 15 and 20, using prime factorization.	307
50	Find Greatest Common Divisor of 7 and 35, using prime factorization.	305