What is the Greatest Common Factor of 10260 and 10280?

Greatest common factor (GCF) of 10260 and 10280 is 20.

GCF(10260,10280) = 20

We will now calculate the prime factors of 10260 and 10280, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10260 and 10280.

How to find the GCF of 10260 and 10280?

We will first find the prime factorization of 10260 and 10280. After we will calculate the factors of 10260 and 10280 and find the biggest common factor number .

Step-1: Prime Factorization of 10260

Prime factors of 10260 are 2, 3, 5, 19. Prime factorization of 10260 in exponential form is:

10260 = 2² × 3³ × 5¹ × 19¹

Step-2: Prime Factorization of 10280

Prime factors of 10280 are 2, 5, 257. Prime factorization of 10280 in exponential form is:

10280 = 2³ × 5¹ × 257¹

Step-3: Factors of 10260

List of positive integer factors of 10260 that divides 10260 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130

Step-4: Factors of 10280

List of positive integer factors of 10280 that divides 10260 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10260 and 10280. The biggest common factor number is the GCF number.
So the greatest common factor 10260 and 10280 is 20.

Also check out the Least Common Multiple of 10260 and 10280