What is the Greatest Common Factor of 27857 and 27865?

Greatest common factor (GCF) of 27857 and 27865 is 1.

GCF(27857,27865) = 1

We will now calculate the prime factors of 27857 and 27865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27857 and 27865.

How to find the GCF of 27857 and 27865?

We will first find the prime factorization of 27857 and 27865. After we will calculate the factors of 27857 and 27865 and find the biggest common factor number .

Step-1: Prime Factorization of 27857

Prime factors of 27857 are 89, 313. Prime factorization of 27857 in exponential form is:

27857 = 89¹ × 313¹

Step-2: Prime Factorization of 27865

Prime factors of 27865 are 5, 5573. Prime factorization of 27865 in exponential form is:

27865 = 5¹ × 5573¹

Step-3: Factors of 27857

List of positive integer factors of 27857 that divides 27857 without a remainder.

1, 89, 313

Step-4: Factors of 27865

List of positive integer factors of 27865 that divides 27857 without a remainder.

1, 5, 5573

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27857 and 27865. The biggest common factor number is the GCF number.
So the greatest common factor 27857 and 27865 is 1.

Also check out the Least Common Multiple of 27857 and 27865