What is the Greatest Common Factor of 20124 and 20142?

Greatest common factor (GCF) of 20124 and 20142 is 18.

GCF(20124,20142) = 18

We will now calculate the prime factors of 20124 and 20142, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20124 and 20142.

How to find the GCF of 20124 and 20142?

We will first find the prime factorization of 20124 and 20142. After we will calculate the factors of 20124 and 20142 and find the biggest common factor number .

Step-1: Prime Factorization of 20124

Prime factors of 20124 are 2, 3, 13, 43. Prime factorization of 20124 in exponential form is:

20124 = 2² × 3² × 13¹ × 43¹

Step-2: Prime Factorization of 20142

Prime factors of 20142 are 2, 3, 373. Prime factorization of 20142 in exponential form is:

20142 = 2¹ × 3³ × 373¹

Step-3: Factors of 20124

List of positive integer factors of 20124 that divides 20124 without a remainder.

1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062

Step-4: Factors of 20142

List of positive integer factors of 20142 that divides 20124 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 373, 746, 1119, 2238, 3357, 6714, 10071

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20124 and 20142. The biggest common factor number is the GCF number.
So the greatest common factor 20124 and 20142 is 18.

Also check out the Least Common Multiple of 20124 and 20142