What is the Greatest Common Factor of 15222 and 15242?

Greatest common factor (GCF) of 15222 and 15242 is 2.

GCF(15222,15242) = 2

We will now calculate the prime factors of 15222 and 15242, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15222 and 15242.

How to find the GCF of 15222 and 15242?

We will first find the prime factorization of 15222 and 15242. After we will calculate the factors of 15222 and 15242 and find the biggest common factor number .

Step-1: Prime Factorization of 15222

Prime factors of 15222 are 2, 3, 43, 59. Prime factorization of 15222 in exponential form is:

15222 = 2¹ × 3¹ × 43¹ × 59¹

Step-2: Prime Factorization of 15242

Prime factors of 15242 are 2, 7621. Prime factorization of 15242 in exponential form is:

15242 = 2¹ × 7621¹

Step-3: Factors of 15222

List of positive integer factors of 15222 that divides 15222 without a remainder.

1, 2, 3, 6, 43, 59, 86, 118, 129, 177, 258, 354, 2537, 5074, 7611

Step-4: Factors of 15242

List of positive integer factors of 15242 that divides 15222 without a remainder.

1, 2, 7621

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15222 and 15242. The biggest common factor number is the GCF number.
So the greatest common factor 15222 and 15242 is 2.

Also check out the Least Common Multiple of 15222 and 15242