What is the Greatest Common Factor of 28369 and 28380?

Greatest common factor (GCF) of 28369 and 28380 is 11.

GCF(28369,28380) = 11

We will now calculate the prime factors of 28369 and 28380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28369 and 28380.

How to find the GCF of 28369 and 28380?

We will first find the prime factorization of 28369 and 28380. After we will calculate the factors of 28369 and 28380 and find the biggest common factor number .

Step-1: Prime Factorization of 28369

Prime factors of 28369 are 11, 2579. Prime factorization of 28369 in exponential form is:

28369 = 11¹ × 2579¹

Step-2: Prime Factorization of 28380

Prime factors of 28380 are 2, 3, 5, 11, 43. Prime factorization of 28380 in exponential form is:

28380 = 2² × 3¹ × 5¹ × 11¹ × 43¹

Step-3: Factors of 28369

List of positive integer factors of 28369 that divides 28369 without a remainder.

1, 11, 2579

Step-4: Factors of 28380

List of positive integer factors of 28380 that divides 28369 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1290, 1419, 1892, 2365, 2580, 2838, 4730, 5676, 7095, 9460, 14190

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28369 and 28380. The biggest common factor number is the GCF number.
So the greatest common factor 28369 and 28380 is 11.

Also check out the Least Common Multiple of 28369 and 28380