What is the Greatest Common Factor of 85868 and 85884?

Greatest common factor (GCF) of 85868 and 85884 is 4.

GCF(85868,85884) = 4

We will now calculate the prime factors of 85868 and 85884, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85868 and 85884.

How to find the GCF of 85868 and 85884?

We will first find the prime factorization of 85868 and 85884. After we will calculate the factors of 85868 and 85884 and find the biggest common factor number .

Step-1: Prime Factorization of 85868

Prime factors of 85868 are 2, 21467. Prime factorization of 85868 in exponential form is:

85868 = 2² × 21467¹

Step-2: Prime Factorization of 85884

Prime factors of 85884 are 2, 3, 17, 421. Prime factorization of 85884 in exponential form is:

85884 = 2² × 3¹ × 17¹ × 421¹

Step-3: Factors of 85868

List of positive integer factors of 85868 that divides 85868 without a remainder.

1, 2, 4, 21467, 42934

Step-4: Factors of 85884

List of positive integer factors of 85884 that divides 85868 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 421, 842, 1263, 1684, 2526, 5052, 7157, 14314, 21471, 28628, 42942

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85868 and 85884. The biggest common factor number is the GCF number.
So the greatest common factor 85868 and 85884 is 4.

Also check out the Least Common Multiple of 85868 and 85884