What is the Greatest Common Factor of 61798 and 61809?

Greatest common factor (GCF) of 61798 and 61809 is 11.

GCF(61798,61809) = 11

We will now calculate the prime factors of 61798 and 61809, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61798 and 61809.

How to find the GCF of 61798 and 61809?

We will first find the prime factorization of 61798 and 61809. After we will calculate the factors of 61798 and 61809 and find the biggest common factor number .

Step-1: Prime Factorization of 61798

Prime factors of 61798 are 2, 11, 53. Prime factorization of 61798 in exponential form is:

61798 = 2¹ × 11¹ × 53²

Step-2: Prime Factorization of 61809

Prime factors of 61809 are 3, 11, 1873. Prime factorization of 61809 in exponential form is:

61809 = 3¹ × 11¹ × 1873¹

Step-3: Factors of 61798

List of positive integer factors of 61798 that divides 61798 without a remainder.

1, 2, 11, 22, 53, 106, 583, 1166, 2809, 5618, 30899

Step-4: Factors of 61809

List of positive integer factors of 61809 that divides 61798 without a remainder.

1, 3, 11, 33, 1873, 5619, 20603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61798 and 61809. The biggest common factor number is the GCF number.
So the greatest common factor 61798 and 61809 is 11.

Also check out the Least Common Multiple of 61798 and 61809