What is the Greatest Common Factor of 1408 and 1427?

Greatest common factor (GCF) of 1408 and 1427 is 1.

GCF(1408,1427) = 1

We will now calculate the prime factors of 1408 and 1427, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1408 and 1427.

How to find the GCF of 1408 and 1427?

We will first find the prime factorization of 1408 and 1427. After we will calculate the factors of 1408 and 1427 and find the biggest common factor number .

Step-1: Prime Factorization of 1408

Prime factors of 1408 are 2, 11. Prime factorization of 1408 in exponential form is:

1408 = 2⁷ × 11¹

Step-2: Prime Factorization of 1427

Prime factors of 1427 are 1427. Prime factorization of 1427 in exponential form is:

1427 = 1427¹

Step-3: Factors of 1408

List of positive integer factors of 1408 that divides 1408 without a remainder.

1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704

Step-4: Factors of 1427

List of positive integer factors of 1427 that divides 1408 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1408 and 1427. The biggest common factor number is the GCF number.
So the greatest common factor 1408 and 1427 is 1.

Also check out the Least Common Multiple of 1408 and 1427