What is the Greatest Common Factor of 4380 and 4391?

Greatest common factor (GCF) of 4380 and 4391 is 1.

GCF(4380,4391) = 1

We will now calculate the prime factors of 4380 and 4391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4380 and 4391.

How to find the GCF of 4380 and 4391?

We will first find the prime factorization of 4380 and 4391. After we will calculate the factors of 4380 and 4391 and find the biggest common factor number .

Step-1: Prime Factorization of 4380

Prime factors of 4380 are 2, 3, 5, 73. Prime factorization of 4380 in exponential form is:

4380 = 2² × 3¹ × 5¹ × 73¹

Step-2: Prime Factorization of 4391

Prime factors of 4391 are 4391. Prime factorization of 4391 in exponential form is:

4391 = 4391¹

Step-3: Factors of 4380

List of positive integer factors of 4380 that divides 4380 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190

Step-4: Factors of 4391

List of positive integer factors of 4391 that divides 4380 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4380 and 4391. The biggest common factor number is the GCF number.
So the greatest common factor 4380 and 4391 is 1.

Also check out the Least Common Multiple of 4380 and 4391