What is the Greatest Common Factor of 4380 and 4390?

Greatest common factor (GCF) of 4380 and 4390 is 10.

GCF(4380,4390) = 10

We will now calculate the prime factors of 4380 and 4390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4380 and 4390.

How to find the GCF of 4380 and 4390?

We will first find the prime factorization of 4380 and 4390. After we will calculate the factors of 4380 and 4390 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 4390

Prime factors of 4390 are 2, 5, 439. Prime factorization of 4390 in exponential form is:

4390 = 2¹ × 5¹ × 439¹

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 4390

List of positive integer factors of 4390 that divides 4380 without a remainder.

1, 2, 5, 10, 439, 878, 2195

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4380 and 4390. The biggest common factor number is the GCF number.
So the greatest common factor 4380 and 4390 is 10.

Also check out the Least Common Multiple of 4380 and 4390