What is the Greatest Common Factor of 18620 and 18629?

Greatest common factor (GCF) of 18620 and 18629 is 1.

GCF(18620,18629) = 1

We will now calculate the prime factors of 18620 and 18629, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18620 and 18629.

How to find the GCF of 18620 and 18629?

We will first find the prime factorization of 18620 and 18629. After we will calculate the factors of 18620 and 18629 and find the biggest common factor number .

Step-1: Prime Factorization of 18620

Prime factors of 18620 are 2, 5, 7, 19. Prime factorization of 18620 in exponential form is:

18620 = 2² × 5¹ × 7² × 19¹

Step-2: Prime Factorization of 18629

Prime factors of 18629 are 13, 1433. Prime factorization of 18629 in exponential form is:

18629 = 13¹ × 1433¹

Step-3: Factors of 18620

List of positive integer factors of 18620 that divides 18620 without a remainder.

1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310

Step-4: Factors of 18629

List of positive integer factors of 18629 that divides 18620 without a remainder.

1, 13, 1433

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18620 and 18629. The biggest common factor number is the GCF number.
So the greatest common factor 18620 and 18629 is 1.

Also check out the Least Common Multiple of 18620 and 18629