What is the Greatest Common Factor of 85790 and 85802?

Greatest common factor (GCF) of 85790 and 85802 is 2.

GCF(85790,85802) = 2

We will now calculate the prime factors of 85790 and 85802, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85790 and 85802.

How to find the GCF of 85790 and 85802?

We will first find the prime factorization of 85790 and 85802. After we will calculate the factors of 85790 and 85802 and find the biggest common factor number .

Step-1: Prime Factorization of 85790

Prime factors of 85790 are 2, 5, 23, 373. Prime factorization of 85790 in exponential form is:

85790 = 2¹ × 5¹ × 23¹ × 373¹

Step-2: Prime Factorization of 85802

Prime factors of 85802 are 2, 42901. Prime factorization of 85802 in exponential form is:

85802 = 2¹ × 42901¹

Step-3: Factors of 85790

List of positive integer factors of 85790 that divides 85790 without a remainder.

1, 2, 5, 10, 23, 46, 115, 230, 373, 746, 1865, 3730, 8579, 17158, 42895

Step-4: Factors of 85802

List of positive integer factors of 85802 that divides 85790 without a remainder.

1, 2, 42901

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85790 and 85802. The biggest common factor number is the GCF number.
So the greatest common factor 85790 and 85802 is 2.

Also check out the Least Common Multiple of 85790 and 85802