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What is the Greatest Common Factor of 267 and 278?

Greatest common factor (GCF) of 267 and 278 is 1.

GCF(267,278) = 1

We will now calculate the prime factors of 267 and 278, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 267 and 278.

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How to find the GCF of 267 and 278?

We will first find the prime factorization of 267 and 278. After we will calculate the factors of 267 and 278 and find the biggest common factor number .

Step-1: Prime Factorization of 267

Prime factors of 267 are 3, 89. Prime factorization of 267 in exponential form is:

267 = 31 × 891

Step-2: Prime Factorization of 278

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

278 = 21 × 1391

Step-3: Factors of 267

List of positive integer factors of 267 that divides 267 without a remainder.

1, 3, 89

Step-4: Factors of 278

List of positive integer factors of 278 that divides 267 without a remainder.

1, 2, 139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 267 and 278. The biggest common factor number is the GCF number.
So the greatest common factor 267 and 278 is 1.

Also check out the Least Common Multiple of 267 and 278