What is the Greatest Common Factor of 4242 and 4247?

Greatest common factor (GCF) of 4242 and 4247 is 1.

GCF(4242,4247) = 1

We will now calculate the prime factors of 4242 and 4247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4242 and 4247.

How to find the GCF of 4242 and 4247?

We will first find the prime factorization of 4242 and 4247. After we will calculate the factors of 4242 and 4247 and find the biggest common factor number .

Step-1: Prime Factorization of 4242

Prime factors of 4242 are 2, 3, 7, 101. Prime factorization of 4242 in exponential form is:

4242 = 2¹ × 3¹ × 7¹ × 101¹

Step-2: Prime Factorization of 4247

Prime factors of 4247 are 31, 137. Prime factorization of 4247 in exponential form is:

4247 = 31¹ × 137¹

Step-3: Factors of 4242

List of positive integer factors of 4242 that divides 4242 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121

Step-4: Factors of 4247

List of positive integer factors of 4247 that divides 4242 without a remainder.

1, 31, 137

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4242 and 4247. The biggest common factor number is the GCF number.
So the greatest common factor 4242 and 4247 is 1.

Also check out the Least Common Multiple of 4242 and 4247