What is the Greatest Common Factor of 30156 and 30163?

Greatest common factor (GCF) of 30156 and 30163 is 7.

GCF(30156,30163) = 7

We will now calculate the prime factors of 30156 and 30163, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30156 and 30163.

How to find the GCF of 30156 and 30163?

We will first find the prime factorization of 30156 and 30163. After we will calculate the factors of 30156 and 30163 and find the biggest common factor number .

Step-1: Prime Factorization of 30156

Prime factors of 30156 are 2, 3, 7, 359. Prime factorization of 30156 in exponential form is:

30156 = 2² × 3¹ × 7¹ × 359¹

Step-2: Prime Factorization of 30163

Prime factors of 30163 are 7, 31, 139. Prime factorization of 30163 in exponential form is:

30163 = 7¹ × 31¹ × 139¹

Step-3: Factors of 30156

List of positive integer factors of 30156 that divides 30156 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 359, 718, 1077, 1436, 2154, 2513, 4308, 5026, 7539, 10052, 15078

Step-4: Factors of 30163

List of positive integer factors of 30163 that divides 30156 without a remainder.

1, 7, 31, 139, 217, 973, 4309

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30156 and 30163. The biggest common factor number is the GCF number.
So the greatest common factor 30156 and 30163 is 7.

Also check out the Least Common Multiple of 30156 and 30163