GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1381 and 1393?

Greatest common factor (GCF) of 1381 and 1393 is 1.

GCF(1381,1393) = 1

We will now calculate the prime factors of 1381 and 1393, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1381 and 1393.

GCF Calculator and
and

How to find the GCF of 1381 and 1393?

We will first find the prime factorization of 1381 and 1393. After we will calculate the factors of 1381 and 1393 and find the biggest common factor number .

Step-1: Prime Factorization of 1381

Prime factors of 1381 are 1381. Prime factorization of 1381 in exponential form is:

1381 = 13811

Step-2: Prime Factorization of 1393

Prime factors of 1393 are 7, 199. Prime factorization of 1393 in exponential form is:

1393 = 71 × 1991

Step-3: Factors of 1381

List of positive integer factors of 1381 that divides 1381 without a remainder.

1

Step-4: Factors of 1393

List of positive integer factors of 1393 that divides 1381 without a remainder.

1, 7, 199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1381 and 1393. The biggest common factor number is the GCF number.
So the greatest common factor 1381 and 1393 is 1.

Also check out the Least Common Multiple of 1381 and 1393