What is the Greatest Common Factor of 1355 and 1375?

Greatest common factor (GCF) of 1355 and 1375 is 5.

GCF(1355,1375) = 5

We will now calculate the prime factors of 1355 and 1375, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1355 and 1375.

How to find the GCF of 1355 and 1375?

We will first find the prime factorization of 1355 and 1375. After we will calculate the factors of 1355 and 1375 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 1375

Prime factors of 1375 are 5, 11. Prime factorization of 1375 in exponential form is:

1375 = 5³ × 11¹

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 1375

List of positive integer factors of 1375 that divides 1355 without a remainder.

1, 5, 11, 25, 55, 125, 275

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1355 and 1375. The biggest common factor number is the GCF number.
So the greatest common factor 1355 and 1375 is 5.

Also check out the Least Common Multiple of 1355 and 1375