What is the Greatest Common Factor of 355 and 366?

Greatest common factor (GCF) of 355 and 366 is 1.

GCF(355,366) = 1

We will now calculate the prime factors of 355 and 366, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 355 and 366.

How to find the GCF of 355 and 366?

We will first find the prime factorization of 355 and 366. After we will calculate the factors of 355 and 366 and find the biggest common factor number .

Step-1: Prime Factorization of 355

Prime factors of 355 are 5, 71. Prime factorization of 355 in exponential form is:

355 = 5¹ × 71¹

Step-2: Prime Factorization of 366

Prime factors of 366 are 2, 3, 61. Prime factorization of 366 in exponential form is:

366 = 2¹ × 3¹ × 61¹

Step-3: Factors of 355

List of positive integer factors of 355 that divides 355 without a remainder.

1, 5, 71

Step-4: Factors of 366

List of positive integer factors of 366 that divides 355 without a remainder.

1, 2, 3, 6, 61, 122, 183

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 355 and 366. The biggest common factor number is the GCF number.
So the greatest common factor 355 and 366 is 1.

Also check out the Least Common Multiple of 355 and 366