What is the Greatest Common Factor of 1526 and 1538?

Greatest common factor (GCF) of 1526 and 1538 is 2.

GCF(1526,1538) = 2

We will now calculate the prime factors of 1526 and 1538, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1526 and 1538.

How to find the GCF of 1526 and 1538?

We will first find the prime factorization of 1526 and 1538. After we will calculate the factors of 1526 and 1538 and find the biggest common factor number .

Step-1: Prime Factorization of 1526

Prime factors of 1526 are 2, 7, 109. Prime factorization of 1526 in exponential form is:

1526 = 2¹ × 7¹ × 109¹

Step-2: Prime Factorization of 1538

Prime factors of 1538 are 2, 769. Prime factorization of 1538 in exponential form is:

1538 = 2¹ × 769¹

Step-3: Factors of 1526

List of positive integer factors of 1526 that divides 1526 without a remainder.

1, 2, 7, 14, 109, 218, 763

Step-4: Factors of 1538

List of positive integer factors of 1538 that divides 1526 without a remainder.

1, 2, 769

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1526 and 1538. The biggest common factor number is the GCF number.
So the greatest common factor 1526 and 1538 is 2.

Also check out the Least Common Multiple of 1526 and 1538