What is the Greatest Common Factor of 20202 and 20211?

Greatest common factor (GCF) of 20202 and 20211 is 3.

GCF(20202,20211) = 3

We will now calculate the prime factors of 20202 and 20211, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20202 and 20211.

How to find the GCF of 20202 and 20211?

We will first find the prime factorization of 20202 and 20211. After we will calculate the factors of 20202 and 20211 and find the biggest common factor number .

Step-1: Prime Factorization of 20202

Prime factors of 20202 are 2, 3, 7, 13, 37. Prime factorization of 20202 in exponential form is:

20202 = 2¹ × 3¹ × 7¹ × 13¹ × 37¹

Step-2: Prime Factorization of 20211

Prime factors of 20211 are 3, 6737. Prime factorization of 20211 in exponential form is:

20211 = 3¹ × 6737¹

Step-3: Factors of 20202

List of positive integer factors of 20202 that divides 20202 without a remainder.

1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 777, 962, 1443, 1554, 2886, 3367, 6734, 10101

Step-4: Factors of 20211

List of positive integer factors of 20211 that divides 20202 without a remainder.

1, 3, 6737

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20202 and 20211. The biggest common factor number is the GCF number.
So the greatest common factor 20202 and 20211 is 3.

Also check out the Least Common Multiple of 20202 and 20211