What is the Greatest Common Factor of 85408 and 85418?

Greatest common factor (GCF) of 85408 and 85418 is 2.

GCF(85408,85418) = 2

We will now calculate the prime factors of 85408 and 85418, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85408 and 85418.

How to find the GCF of 85408 and 85418?

We will first find the prime factorization of 85408 and 85418. After we will calculate the factors of 85408 and 85418 and find the biggest common factor number .

Step-1: Prime Factorization of 85408

Prime factors of 85408 are 2, 17, 157. Prime factorization of 85408 in exponential form is:

85408 = 2⁵ × 17¹ × 157¹

Step-2: Prime Factorization of 85418

Prime factors of 85418 are 2, 42709. Prime factorization of 85418 in exponential form is:

85418 = 2¹ × 42709¹

Step-3: Factors of 85408

List of positive integer factors of 85408 that divides 85408 without a remainder.

1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 1256, 2512, 2669, 5024, 5338, 10676, 21352, 42704

Step-4: Factors of 85418

List of positive integer factors of 85418 that divides 85408 without a remainder.

1, 2, 42709

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85408 and 85418. The biggest common factor number is the GCF number.
So the greatest common factor 85408 and 85418 is 2.

Also check out the Least Common Multiple of 85408 and 85418