What is the Greatest Common Factor of 86421 and 86425?

Greatest common factor (GCF) of 86421 and 86425 is 1.

GCF(86421,86425) = 1

We will now calculate the prime factors of 86421 and 86425, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86421 and 86425.

How to find the GCF of 86421 and 86425?

We will first find the prime factorization of 86421 and 86425. After we will calculate the factors of 86421 and 86425 and find the biggest common factor number .

Step-1: Prime Factorization of 86421

Prime factors of 86421 are 3, 28807. Prime factorization of 86421 in exponential form is:

86421 = 3¹ × 28807¹

Step-2: Prime Factorization of 86425

Prime factors of 86425 are 5, 3457. Prime factorization of 86425 in exponential form is:

86425 = 5² × 3457¹

Step-3: Factors of 86421

List of positive integer factors of 86421 that divides 86421 without a remainder.

1, 3, 28807

Step-4: Factors of 86425

List of positive integer factors of 86425 that divides 86421 without a remainder.

1, 5, 25, 3457, 17285

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86421 and 86425. The biggest common factor number is the GCF number.
So the greatest common factor 86421 and 86425 is 1.

Also check out the Least Common Multiple of 86421 and 86425