What is the Greatest Common Factor of 85413 and 85420?

Greatest common factor (GCF) of 85413 and 85420 is 1.

GCF(85413,85420) = 1

We will now calculate the prime factors of 85413 and 85420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85413 and 85420.

How to find the GCF of 85413 and 85420?

We will first find the prime factorization of 85413 and 85420. After we will calculate the factors of 85413 and 85420 and find the biggest common factor number .

Step-1: Prime Factorization of 85413

Prime factors of 85413 are 3, 71, 401. Prime factorization of 85413 in exponential form is:

85413 = 3¹ × 71¹ × 401¹

Step-2: Prime Factorization of 85420

Prime factors of 85420 are 2, 5, 4271. Prime factorization of 85420 in exponential form is:

85420 = 2² × 5¹ × 4271¹

Step-3: Factors of 85413

List of positive integer factors of 85413 that divides 85413 without a remainder.

1, 3, 71, 213, 401, 1203, 28471

Step-4: Factors of 85420

List of positive integer factors of 85420 that divides 85413 without a remainder.

1, 2, 4, 5, 10, 20, 4271, 8542, 17084, 21355, 42710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85413 and 85420. The biggest common factor number is the GCF number.
So the greatest common factor 85413 and 85420 is 1.

Also check out the Least Common Multiple of 85413 and 85420