What is the Greatest Common Factor of 8370 and 8380?

Greatest common factor (GCF) of 8370 and 8380 is 10.

GCF(8370,8380) = 10

We will now calculate the prime factors of 8370 and 8380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8370 and 8380.

How to find the GCF of 8370 and 8380?

We will first find the prime factorization of 8370 and 8380. After we will calculate the factors of 8370 and 8380 and find the biggest common factor number .

Step-1: Prime Factorization of 8370

Prime factors of 8370 are 2, 3, 5, 31. Prime factorization of 8370 in exponential form is:

8370 = 2¹ × 3³ × 5¹ × 31¹

Step-2: Prime Factorization of 8380

Prime factors of 8380 are 2, 5, 419. Prime factorization of 8380 in exponential form is:

8380 = 2² × 5¹ × 419¹

Step-3: Factors of 8370

List of positive integer factors of 8370 that divides 8370 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2790, 4185

Step-4: Factors of 8380

List of positive integer factors of 8380 that divides 8370 without a remainder.

1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8370 and 8380. The biggest common factor number is the GCF number.
So the greatest common factor 8370 and 8380 is 10.

Also check out the Least Common Multiple of 8370 and 8380