What is the Greatest Common Factor of 86420 and 86426?

Greatest common factor (GCF) of 86420 and 86426 is 2.

GCF(86420,86426) = 2

We will now calculate the prime factors of 86420 and 86426, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86420 and 86426.

How to find the GCF of 86420 and 86426?

We will first find the prime factorization of 86420 and 86426. After we will calculate the factors of 86420 and 86426 and find the biggest common factor number .

Step-1: Prime Factorization of 86420

Prime factors of 86420 are 2, 5, 29, 149. Prime factorization of 86420 in exponential form is:

86420 = 2² × 5¹ × 29¹ × 149¹

Step-2: Prime Factorization of 86426

Prime factors of 86426 are 2, 79, 547. Prime factorization of 86426 in exponential form is:

86426 = 2¹ × 79¹ × 547¹

Step-3: Factors of 86420

List of positive integer factors of 86420 that divides 86420 without a remainder.

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 21605, 43210

Step-4: Factors of 86426

List of positive integer factors of 86426 that divides 86420 without a remainder.

1, 2, 79, 158, 547, 1094, 43213

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86420 and 86426. The biggest common factor number is the GCF number.
So the greatest common factor 86420 and 86426 is 2.

Also check out the Least Common Multiple of 86420 and 86426