What is the Greatest Common Factor of 85890 and 85894?

Greatest common factor (GCF) of 85890 and 85894 is 2.

GCF(85890,85894) = 2

We will now calculate the prime factors of 85890 and 85894, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85890 and 85894.

How to find the GCF of 85890 and 85894?

We will first find the prime factorization of 85890 and 85894. After we will calculate the factors of 85890 and 85894 and find the biggest common factor number .

Step-1: Prime Factorization of 85890

Prime factors of 85890 are 2, 3, 5, 7, 409. Prime factorization of 85890 in exponential form is:

85890 = 2¹ × 3¹ × 5¹ × 7¹ × 409¹

Step-2: Prime Factorization of 85894

Prime factors of 85894 are 2, 67, 641. Prime factorization of 85894 in exponential form is:

85894 = 2¹ × 67¹ × 641¹

Step-3: Factors of 85890

List of positive integer factors of 85890 that divides 85890 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 409, 818, 1227, 2045, 2454, 2863, 4090, 5726, 6135, 8589, 12270, 14315, 17178, 28630, 42945

Step-4: Factors of 85894

List of positive integer factors of 85894 that divides 85890 without a remainder.

1, 2, 67, 134, 641, 1282, 42947

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85890 and 85894. The biggest common factor number is the GCF number.
So the greatest common factor 85890 and 85894 is 2.

Also check out the Least Common Multiple of 85890 and 85894