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
1501	Find Greatest Common Divisor of 39 and 13, using prime factorization.	5
1502	Find Greatest Common Divisor of 69 and 6, using prime factorization.	5
1503	Find Greatest Common Divisor of 254 and 70, using prime factorization.	5
1504	Find Greatest Common Divisor of 30 and 40, using prime factorization.	5
1505	Find Greatest Common Divisor of 2735.	5
1506	Find Greatest Common Divisor of 36 and 20, using repeated division.	5
1507	Find Greatest Common Divisor of 257.	5
1508	Find Greatest Common Divisor of 10 and 1120, using prime factorization.	5
1509	Find Greatest Common Divisor of 23 and 46, using prime factorization.	5
1510	Find Greatest Common Divisor of 143 and 91, using repeated division.	5
1511	Find Greatest Common Divisor of 24 and 4, using prime factorization.	5
1512	Find Greatest Common Divisor of 90 and 252, using Euclidean algorithm.	5
1513	Find Greatest Common Divisor of 90 and 252, using prime factorization.	5
1514	Find Greatest Common Divisor of 90 and 252, using repeated division.	5
1515	Find Greatest Common Divisor of 7 and 8, using repeated division.	5
1516	Find Greatest Common Divisor of 2 and 64, using prime factorization.	5
1517	Find Greatest Common Divisor of 52 and 6, using prime factorization.	5
1518	Find Greatest Common Divisor of 26 and 30, using prime factorization.	5
1519	Find Greatest Common Divisor of 2 and 720, using prime factorization.	5
1520	Find Greatest Common Divisor of 10 and 104, using prime factorization.	5
1521	Find Greatest Common Divisor of 30 and 32, using prime factorization.	5
1522	Find Greatest Common Divisor of 225 and 24, using prime factorization.	5
1523	Find Greatest Common Divisor of 100 and 45, using prime factorization.	5
1524	Find Greatest Common Divisor of 147 and 57, using prime factorization.	5
1525	Find Greatest Common Divisor of 2009 and 7, using prime factorization.	5
1526	Find Greatest Common Divisor of 80 and 12, using prime factorization.	5
1527	Find Greatest Common Divisor of 105 and 20, using prime factorization.	5
1528	Find Greatest Common Divisor of 27 and 39, using prime factorization.	5
1529	Find Greatest Common Divisor of 118 and 2, using prime factorization.	5
1530	Find Greatest Common Divisor of 16 and 352, using prime factorization.	5
1531	Find Greatest Common Divisor of 108 and 70, using prime factorization.	5
1532	Find Greatest Common Divisor of 171 and 9, using prime factorization.	5
1533	Find Greatest Common Divisor of 453 and 12, using prime factorization.	5
1534	Find Greatest Common Divisor of 81 and 36, using repeated division.	5
1535	Find Greatest Common Divisor of 81 and 36, by listing out the factors.	5
1536	Find Greatest Common Divisor of 2133132421.	5
1537	Find Greatest Common Divisor of 2133132421.	5
1538	Find Greatest Common Divisor of 24 and 46, using Euclidean algorithm.	5
1539	Find Greatest Common Divisor of 630 and 494, using prime factorization.	5
1540	Find Greatest Common Divisor of 102 and 60, using prime factorization.	5
1541	Find Greatest Common Divisor of 10092 and 1654, using Euclidean algorithm.	5
1542	Find Greatest Common Divisor of 1999 and 299, using Euclidean algorithm.	5
1543	Find Greatest Common Divisor of 22800 and 15200, using prime factorization.	5
1544	Find Greatest Common Divisor of 513.	4
1545	Find Greatest Common Divisor of 6977.	4
1546	Find Greatest Common Divisor of 128 and 324, by listing out the factors.	4
1547	Find Greatest Common Divisor of 128 and 324, using Euclidean algorithm.	4
1548	Find Greatest Common Divisor of 478 and 127, using Euclidean algorithm.	4
1549	Find Greatest Common Divisor of 18, 54 and 81, using Euclidean algorithm.	4
1550	Find Greatest Common Divisor of 70 and 8, using prime factorization.	4