What is the Greatest Common Factor of 1768 and 1772?

Greatest common factor (GCF) of 1768 and 1772 is 4.

GCF(1768,1772) = 4

We will now calculate the prime factors of 1768 and 1772, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1768 and 1772.

How to find the GCF of 1768 and 1772?

We will first find the prime factorization of 1768 and 1772. After we will calculate the factors of 1768 and 1772 and find the biggest common factor number .

Step-1: Prime Factorization of 1768

Prime factors of 1768 are 2, 13, 17. Prime factorization of 1768 in exponential form is:

1768 = 2³ × 13¹ × 17¹

Step-2: Prime Factorization of 1772

Prime factors of 1772 are 2, 443. Prime factorization of 1772 in exponential form is:

1772 = 2² × 443¹

Step-3: Factors of 1768

List of positive integer factors of 1768 that divides 1768 without a remainder.

1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884

Step-4: Factors of 1772

List of positive integer factors of 1772 that divides 1768 without a remainder.

1, 2, 4, 443, 886

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1768 and 1772. The biggest common factor number is the GCF number.
So the greatest common factor 1768 and 1772 is 4.

Also check out the Least Common Multiple of 1768 and 1772