What is the Greatest Common Factor of 20618 and 20633?

Greatest common factor (GCF) of 20618 and 20633 is 1.

GCF(20618,20633) = 1

We will now calculate the prime factors of 20618 and 20633, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20618 and 20633.

How to find the GCF of 20618 and 20633?

We will first find the prime factorization of 20618 and 20633. After we will calculate the factors of 20618 and 20633 and find the biggest common factor number .

Step-1: Prime Factorization of 20618

Prime factors of 20618 are 2, 13, 61. Prime factorization of 20618 in exponential form is:

20618 = 2¹ × 13² × 61¹

Step-2: Prime Factorization of 20633

Prime factors of 20633 are 47, 439. Prime factorization of 20633 in exponential form is:

20633 = 47¹ × 439¹

Step-3: Factors of 20618

List of positive integer factors of 20618 that divides 20618 without a remainder.

1, 2, 13, 26, 61, 122, 169, 338, 793, 1586, 10309

Step-4: Factors of 20633

List of positive integer factors of 20633 that divides 20618 without a remainder.

1, 47, 439

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20618 and 20633. The biggest common factor number is the GCF number.
So the greatest common factor 20618 and 20633 is 1.

Also check out the Least Common Multiple of 20618 and 20633