GCF and LCM Calculator Logo

What is the Greatest Common Factor of 26981 and 26985?

Greatest common factor (GCF) of 26981 and 26985 is 1.

GCF(26981,26985) = 1

We will now calculate the prime factors of 26981 and 26985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26981 and 26985.

GCF Calculator and
and

How to find the GCF of 26981 and 26985?

We will first find the prime factorization of 26981 and 26985. After we will calculate the factors of 26981 and 26985 and find the biggest common factor number .

Step-1: Prime Factorization of 26981

Prime factors of 26981 are 26981. Prime factorization of 26981 in exponential form is:

26981 = 269811

Step-2: Prime Factorization of 26985

Prime factors of 26985 are 3, 5, 7, 257. Prime factorization of 26985 in exponential form is:

26985 = 31 × 51 × 71 × 2571

Step-3: Factors of 26981

List of positive integer factors of 26981 that divides 26981 without a remainder.

1

Step-4: Factors of 26985

List of positive integer factors of 26985 that divides 26981 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 1285, 1799, 3855, 5397, 8995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26981 and 26985. The biggest common factor number is the GCF number.
So the greatest common factor 26981 and 26985 is 1.

Also check out the Least Common Multiple of 26981 and 26985