What is the Greatest Common Factor of 1438 and 1442?

Greatest common factor (GCF) of 1438 and 1442 is 2.

GCF(1438,1442) = 2

We will now calculate the prime factors of 1438 and 1442, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1438 and 1442.

How to find the GCF of 1438 and 1442?

We will first find the prime factorization of 1438 and 1442. After we will calculate the factors of 1438 and 1442 and find the biggest common factor number .

Step-1: Prime Factorization of 1438

Prime factors of 1438 are 2, 719. Prime factorization of 1438 in exponential form is:

1438 = 2¹ × 719¹

Step-2: Prime Factorization of 1442

Prime factors of 1442 are 2, 7, 103. Prime factorization of 1442 in exponential form is:

1442 = 2¹ × 7¹ × 103¹

Step-3: Factors of 1438

List of positive integer factors of 1438 that divides 1438 without a remainder.

1, 2, 719

Step-4: Factors of 1442

List of positive integer factors of 1442 that divides 1438 without a remainder.

1, 2, 7, 14, 103, 206, 721

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1438 and 1442. The biggest common factor number is the GCF number.
So the greatest common factor 1438 and 1442 is 2.

Also check out the Least Common Multiple of 1438 and 1442