What is the Greatest Common Factor of 278 and 283?

Greatest common factor (GCF) of 278 and 283 is 1.

GCF(278,283) = 1

We will now calculate the prime factors of 278 and 283, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 278 and 283.

How to find the GCF of 278 and 283?

We will first find the prime factorization of 278 and 283. After we will calculate the factors of 278 and 283 and find the biggest common factor number .

Step-1: Prime Factorization of 278

Prime factors of 278 are 2, 139. Prime factorization of 278 in exponential form is:

278 = 2¹ × 139¹

Step-2: Prime Factorization of 283

Prime factors of 283 are 283. Prime factorization of 283 in exponential form is:

283 = 283¹

Step-3: Factors of 278

List of positive integer factors of 278 that divides 278 without a remainder.

1, 2, 139

Step-4: Factors of 283

List of positive integer factors of 283 that divides 278 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 278 and 283. The biggest common factor number is the GCF number.
So the greatest common factor 278 and 283 is 1.

Also check out the Least Common Multiple of 278 and 283