What is the Greatest Common Factor of 30191 and 30198?

Greatest common factor (GCF) of 30191 and 30198 is 7.

GCF(30191,30198) = 7

We will now calculate the prime factors of 30191 and 30198, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30191 and 30198.

How to find the GCF of 30191 and 30198?

We will first find the prime factorization of 30191 and 30198. After we will calculate the factors of 30191 and 30198 and find the biggest common factor number .

Step-1: Prime Factorization of 30191

Prime factors of 30191 are 7, 19, 227. Prime factorization of 30191 in exponential form is:

30191 = 7¹ × 19¹ × 227¹

Step-2: Prime Factorization of 30198

Prime factors of 30198 are 2, 3, 7, 719. Prime factorization of 30198 in exponential form is:

30198 = 2¹ × 3¹ × 7¹ × 719¹

Step-3: Factors of 30191

List of positive integer factors of 30191 that divides 30191 without a remainder.

1, 7, 19, 133, 227, 1589, 4313

Step-4: Factors of 30198

List of positive integer factors of 30198 that divides 30191 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 719, 1438, 2157, 4314, 5033, 10066, 15099

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30191 and 30198. The biggest common factor number is the GCF number.
So the greatest common factor 30191 and 30198 is 7.

Also check out the Least Common Multiple of 30191 and 30198