What is the Greatest Common Factor of 27421 and 27428?

Greatest common factor (GCF) of 27421 and 27428 is 1.

GCF(27421,27428) = 1

We will now calculate the prime factors of 27421 and 27428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27421 and 27428.

How to find the GCF of 27421 and 27428?

We will first find the prime factorization of 27421 and 27428. After we will calculate the factors of 27421 and 27428 and find the biggest common factor number .

Step-1: Prime Factorization of 27421

Prime factors of 27421 are 17, 1613. Prime factorization of 27421 in exponential form is:

27421 = 17¹ × 1613¹

Step-2: Prime Factorization of 27428

Prime factors of 27428 are 2, 6857. Prime factorization of 27428 in exponential form is:

27428 = 2² × 6857¹

Step-3: Factors of 27421

List of positive integer factors of 27421 that divides 27421 without a remainder.

1, 17, 1613

Step-4: Factors of 27428

List of positive integer factors of 27428 that divides 27421 without a remainder.

1, 2, 4, 6857, 13714

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27421 and 27428. The biggest common factor number is the GCF number.
So the greatest common factor 27421 and 27428 is 1.

Also check out the Least Common Multiple of 27421 and 27428