What is the Greatest Common Factor of 43942 and 43946?

Greatest common factor (GCF) of 43942 and 43946 is 2.

GCF(43942,43946) = 2

We will now calculate the prime factors of 43942 and 43946, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43942 and 43946.

How to find the GCF of 43942 and 43946?

We will first find the prime factorization of 43942 and 43946. After we will calculate the factors of 43942 and 43946 and find the biggest common factor number .

Step-1: Prime Factorization of 43942

Prime factors of 43942 are 2, 127, 173. Prime factorization of 43942 in exponential form is:

43942 = 2¹ × 127¹ × 173¹

Step-2: Prime Factorization of 43946

Prime factors of 43946 are 2, 7, 43, 73. Prime factorization of 43946 in exponential form is:

43946 = 2¹ × 7¹ × 43¹ × 73¹

Step-3: Factors of 43942

List of positive integer factors of 43942 that divides 43942 without a remainder.

1, 2, 127, 173, 254, 346, 21971

Step-4: Factors of 43946

List of positive integer factors of 43946 that divides 43942 without a remainder.

1, 2, 7, 14, 43, 73, 86, 146, 301, 511, 602, 1022, 3139, 6278, 21973

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43942 and 43946. The biggest common factor number is the GCF number.
So the greatest common factor 43942 and 43946 is 2.

Also check out the Least Common Multiple of 43942 and 43946