What is the Greatest Common Factor of 74813 and 74820?

Greatest common factor (GCF) of 74813 and 74820 is 1.

GCF(74813,74820) = 1

We will now calculate the prime factors of 74813 and 74820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74813 and 74820.

How to find the GCF of 74813 and 74820?

We will first find the prime factorization of 74813 and 74820. After we will calculate the factors of 74813 and 74820 and find the biggest common factor number .

Step-1: Prime Factorization of 74813

Prime factors of 74813 are 79, 947. Prime factorization of 74813 in exponential form is:

74813 = 79¹ × 947¹

Step-2: Prime Factorization of 74820

Prime factors of 74820 are 2, 3, 5, 29, 43. Prime factorization of 74820 in exponential form is:

74820 = 2² × 3¹ × 5¹ × 29¹ × 43¹

Step-3: Factors of 74813

List of positive integer factors of 74813 that divides 74813 without a remainder.

1, 79, 947

Step-4: Factors of 74820

List of positive integer factors of 74820 that divides 74813 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 43, 58, 60, 86, 87, 116, 129, 145, 172, 174, 215, 258, 290, 348, 430, 435, 516, 580, 645, 860, 870, 1247, 1290, 1740, 2494, 2580, 3741, 4988, 6235, 7482, 12470, 14964, 18705, 24940, 37410

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74813 and 74820. The biggest common factor number is the GCF number.
So the greatest common factor 74813 and 74820 is 1.

Also check out the Least Common Multiple of 74813 and 74820