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 4 and 8, using prime factorization.	1186
2	Find Greatest Common Divisor of 3 and 6, using prime factorization.	1183
3	Find Greatest Common Divisor of 6 and 9, using prime factorization.	1139
4	Find Greatest Common Divisor of 4 and 6, using prime factorization.	1020
5	Find Greatest Common Divisor of 8 and 12, using prime factorization.	1013
6	Find Greatest Common Divisor of 2 and 6, using prime factorization.	822
7	Find Greatest Common Divisor of 6 and 3, using prime factorization.	809
8	Find Greatest Common Divisor of 2 and 4, using prime factorization.	800
9	Find Greatest Common Divisor of 3 and 3, using prime factorization.	744
10	Find Greatest Common Divisor of 2 and 2, using prime factorization.	721
11	Find Greatest Common Divisor of 5 and 10, using prime factorization.	704
12	Find Greatest Common Divisor of 8 and 4, using prime factorization.	657
13	Find Greatest Common Divisor of 5 and 5, using prime factorization.	645
14	Find Greatest Common Divisor of 7 and 21, using prime factorization.	612
15	Find Greatest Common Divisor of 6 and 10, using prime factorization.	576
16	Find Greatest Common Divisor of 15 and 10, using prime factorization.	550
17	Find Greatest Common Divisor of 6 and 8, using prime factorization.	547
18	Find Greatest Common Divisor of 5 and 15, using prime factorization.	534
19	Find Greatest Common Divisor of 10 and 2, using prime factorization.	522
20	Find Greatest Common Divisor of 3 and 9, using prime factorization.	508
21	Find Greatest Common Divisor of 18 and 24, using prime factorization.	492
22	Find Greatest Common Divisor of 4 and 4, using prime factorization.	490
23	Find Greatest Common Divisor of 10 and 4, using prime factorization.	488
24	Find Greatest Common Divisor of 9 and 6, using prime factorization.	467
25	Find Greatest Common Divisor of 4 and 2, using prime factorization.	461
26	Find Greatest Common Divisor of 45 and 60, using prime factorization.	456
27	Find Greatest Common Divisor of 16 and 16, using prime factorization.	453
28	Find Greatest Common Divisor of 4 and 12, using prime factorization.	450
29	Find Greatest Common Divisor of 38 and 8, using prime factorization.	449
30	Find Greatest Common Divisor of 9 and 9, using prime factorization.	442
31	Find Greatest Common Divisor of 9 and 12, using prime factorization.	441
32	Find Greatest Common Divisor of 8 and 2, using prime factorization.	437
33	Find Greatest Common Divisor of 4 and 30, using prime factorization.	426
34	Find Greatest Common Divisor of 6 and 4, using prime factorization.	410
35	Find Greatest Common Divisor of 2 and 8, using prime factorization.	404
36	Find Greatest Common Divisor of 12 and 16, using prime factorization.	399
37	Find Greatest Common Divisor of 25 and 125, using prime factorization.	391
38	Find Greatest Common Divisor of 5 and 20, using prime factorization.	389
39	Find Greatest Common Divisor of 48 and 72, using prime factorization.	383
40	Find Greatest Common Divisor of 34 and 10, using prime factorization.	382
41	Find Greatest Common Divisor of 7 and 14, using prime factorization.	377
42	Find Greatest Common Divisor of 375 and 1, using prime factorization.	375
43	Find Greatest Common Divisor of 6 and 6, using prime factorization.	368
44	Find Greatest Common Divisor of 9 and 15, using prime factorization.	366
45	Find Greatest Common Divisor of 10 and 8, using prime factorization.	365
46	Find Greatest Common Divisor of 60 and 5, using prime factorization.	362
47	Find Greatest Common Divisor of 15 and 20, using prime factorization.	345
48	Find Greatest Common Divisor of 48, 36 and 124, using prime factorization.	341
49	Find Greatest Common Divisor of 7 and 35, using prime factorization.	341
50	Find Greatest Common Divisor of 123 and 36, using prime factorization.	340