What is the Greatest Common Factor of 1347 and 1357?

Greatest common factor (GCF) of 1347 and 1357 is 1.

GCF(1347,1357) = 1

We will now calculate the prime factors of 1347 and 1357, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1347 and 1357.

How to find the GCF of 1347 and 1357?

We will first find the prime factorization of 1347 and 1357. After we will calculate the factors of 1347 and 1357 and find the biggest common factor number .

Step-1: Prime Factorization of 1347

Prime factors of 1347 are 3, 449. Prime factorization of 1347 in exponential form is:

1347 = 3¹ × 449¹

Step-2: Prime Factorization of 1357

Prime factors of 1357 are 23, 59. Prime factorization of 1357 in exponential form is:

1357 = 23¹ × 59¹

Step-3: Factors of 1347

List of positive integer factors of 1347 that divides 1347 without a remainder.

1, 3, 449

Step-4: Factors of 1357

List of positive integer factors of 1357 that divides 1347 without a remainder.

1, 23, 59

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1347 and 1357. The biggest common factor number is the GCF number.
So the greatest common factor 1347 and 1357 is 1.

Also check out the Least Common Multiple of 1347 and 1357