What is the Greatest Common Factor of 27280 and 27290?

Greatest common factor (GCF) of 27280 and 27290 is 10.

GCF(27280,27290) = 10

We will now calculate the prime factors of 27280 and 27290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27280 and 27290.

How to find the GCF of 27280 and 27290?

We will first find the prime factorization of 27280 and 27290. After we will calculate the factors of 27280 and 27290 and find the biggest common factor number .

Step-1: Prime Factorization of 27280

Prime factors of 27280 are 2, 5, 11, 31. Prime factorization of 27280 in exponential form is:

27280 = 2⁴ × 5¹ × 11¹ × 31¹

Step-2: Prime Factorization of 27290

Prime factors of 27290 are 2, 5, 2729. Prime factorization of 27290 in exponential form is:

27290 = 2¹ × 5¹ × 2729¹

Step-3: Factors of 27280

List of positive integer factors of 27280 that divides 27280 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640

Step-4: Factors of 27290

List of positive integer factors of 27290 that divides 27280 without a remainder.

1, 2, 5, 10, 2729, 5458, 13645

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27280 and 27290. The biggest common factor number is the GCF number.
So the greatest common factor 27280 and 27290 is 10.

Also check out the Least Common Multiple of 27280 and 27290