What is the Greatest Common Factor of 86421 and 86429?

Greatest common factor (GCF) of 86421 and 86429 is 1.

GCF(86421,86429) = 1

We will now calculate the prime factors of 86421 and 86429, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86421 and 86429.

How to find the GCF of 86421 and 86429?

We will first find the prime factorization of 86421 and 86429. After we will calculate the factors of 86421 and 86429 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 86429

Prime factors of 86429 are 7, 12347. Prime factorization of 86429 in exponential form is:

86429 = 7¹ × 12347¹

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 86429

List of positive integer factors of 86429 that divides 86421 without a remainder.

1, 7, 12347

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86421 and 86429. The biggest common factor number is the GCF number.
So the greatest common factor 86421 and 86429 is 1.

Also check out the Least Common Multiple of 86421 and 86429