What is the Greatest Common Factor of 1355 and 1371?

Greatest common factor (GCF) of 1355 and 1371 is 1.

GCF(1355,1371) = 1

We will now calculate the prime factors of 1355 and 1371, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1355 and 1371.

How to find the GCF of 1355 and 1371?

We will first find the prime factorization of 1355 and 1371. After we will calculate the factors of 1355 and 1371 and find the biggest common factor number .

Step-1: Prime Factorization of 1355

Prime factors of 1355 are 5, 271. Prime factorization of 1355 in exponential form is:

1355 = 5¹ × 271¹

Step-2: Prime Factorization of 1371

Prime factors of 1371 are 3, 457. Prime factorization of 1371 in exponential form is:

1371 = 3¹ × 457¹

Step-3: Factors of 1355

List of positive integer factors of 1355 that divides 1355 without a remainder.

1, 5, 271

Step-4: Factors of 1371

List of positive integer factors of 1371 that divides 1355 without a remainder.

1, 3, 457

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1355 and 1371. The biggest common factor number is the GCF number.
So the greatest common factor 1355 and 1371 is 1.

Also check out the Least Common Multiple of 1355 and 1371