What is the Greatest Common Factor of 18821 and 18831?

Greatest common factor (GCF) of 18821 and 18831 is 1.

GCF(18821,18831) = 1

We will now calculate the prime factors of 18821 and 18831, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18821 and 18831.

How to find the GCF of 18821 and 18831?

We will first find the prime factorization of 18821 and 18831. After we will calculate the factors of 18821 and 18831 and find the biggest common factor number .

Step-1: Prime Factorization of 18821

Prime factors of 18821 are 11, 29, 59. Prime factorization of 18821 in exponential form is:

18821 = 11¹ × 29¹ × 59¹

Step-2: Prime Factorization of 18831

Prime factors of 18831 are 3, 6277. Prime factorization of 18831 in exponential form is:

18831 = 3¹ × 6277¹

Step-3: Factors of 18821

List of positive integer factors of 18821 that divides 18821 without a remainder.

1, 11, 29, 59, 319, 649, 1711

Step-4: Factors of 18831

List of positive integer factors of 18831 that divides 18821 without a remainder.

1, 3, 6277

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18821 and 18831. The biggest common factor number is the GCF number.
So the greatest common factor 18821 and 18831 is 1.

Also check out the Least Common Multiple of 18821 and 18831