What is the Greatest Common Factor of 68210 and 68220?

Greatest common factor (GCF) of 68210 and 68220 is 10.

GCF(68210,68220) = 10

We will now calculate the prime factors of 68210 and 68220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68210 and 68220.

How to find the GCF of 68210 and 68220?

We will first find the prime factorization of 68210 and 68220. After we will calculate the factors of 68210 and 68220 and find the biggest common factor number .

Step-1: Prime Factorization of 68210

Prime factors of 68210 are 2, 5, 19, 359. Prime factorization of 68210 in exponential form is:

68210 = 2¹ × 5¹ × 19¹ × 359¹

Step-2: Prime Factorization of 68220

Prime factors of 68220 are 2, 3, 5, 379. Prime factorization of 68220 in exponential form is:

68220 = 2² × 3² × 5¹ × 379¹

Step-3: Factors of 68210

List of positive integer factors of 68210 that divides 68210 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 359, 718, 1795, 3590, 6821, 13642, 34105

Step-4: Factors of 68220

List of positive integer factors of 68220 that divides 68210 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 3411, 3790, 4548, 5685, 6822, 7580, 11370, 13644, 17055, 22740, 34110

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68210 and 68220. The biggest common factor number is the GCF number.
So the greatest common factor 68210 and 68220 is 10.

Also check out the Least Common Multiple of 68210 and 68220