What is the Greatest Common Factor of 81442 and 81454?

Greatest common factor (GCF) of 81442 and 81454 is 2.

GCF(81442,81454) = 2

We will now calculate the prime factors of 81442 and 81454, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81442 and 81454.

How to find the GCF of 81442 and 81454?

We will first find the prime factorization of 81442 and 81454. After we will calculate the factors of 81442 and 81454 and find the biggest common factor number .

Step-1: Prime Factorization of 81442

Prime factors of 81442 are 2, 43, 947. Prime factorization of 81442 in exponential form is:

81442 = 2¹ × 43¹ × 947¹

Step-2: Prime Factorization of 81454

Prime factors of 81454 are 2, 139, 293. Prime factorization of 81454 in exponential form is:

81454 = 2¹ × 139¹ × 293¹

Step-3: Factors of 81442

List of positive integer factors of 81442 that divides 81442 without a remainder.

1, 2, 43, 86, 947, 1894, 40721

Step-4: Factors of 81454

List of positive integer factors of 81454 that divides 81442 without a remainder.

1, 2, 139, 278, 293, 586, 40727

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81442 and 81454. The biggest common factor number is the GCF number.
So the greatest common factor 81442 and 81454 is 2.

Also check out the Least Common Multiple of 81442 and 81454