What is the Greatest Common Factor of 1075 and 1090?

Greatest common factor (GCF) of 1075 and 1090 is 5.

GCF(1075,1090) = 5

We will now calculate the prime factors of 1075 and 1090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1075 and 1090.

How to find the GCF of 1075 and 1090?

We will first find the prime factorization of 1075 and 1090. After we will calculate the factors of 1075 and 1090 and find the biggest common factor number .

Step-1: Prime Factorization of 1075

Prime factors of 1075 are 5, 43. Prime factorization of 1075 in exponential form is:

1075 = 5² × 43¹

Step-2: Prime Factorization of 1090

Prime factors of 1090 are 2, 5, 109. Prime factorization of 1090 in exponential form is:

1090 = 2¹ × 5¹ × 109¹

Step-3: Factors of 1075

List of positive integer factors of 1075 that divides 1075 without a remainder.

1, 5, 25, 43, 215

Step-4: Factors of 1090

List of positive integer factors of 1090 that divides 1075 without a remainder.

1, 2, 5, 10, 109, 218, 545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1075 and 1090. The biggest common factor number is the GCF number.
So the greatest common factor 1075 and 1090 is 5.

Also check out the Least Common Multiple of 1075 and 1090