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What is the Greatest Common Factor of 43438 and 43458?

Greatest common factor (GCF) of 43438 and 43458 is 2.

GCF(43438,43458) = 2

We will now calculate the prime factors of 43438 and 43458, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43438 and 43458.

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How to find the GCF of 43438 and 43458?

We will first find the prime factorization of 43438 and 43458. After we will calculate the factors of 43438 and 43458 and find the biggest common factor number .

Step-1: Prime Factorization of 43438

Prime factors of 43438 are 2, 37, 587. Prime factorization of 43438 in exponential form is:

43438 = 21 × 371 × 5871

Step-2: Prime Factorization of 43458

Prime factors of 43458 are 2, 3, 7243. Prime factorization of 43458 in exponential form is:

43458 = 21 × 31 × 72431

Step-3: Factors of 43438

List of positive integer factors of 43438 that divides 43438 without a remainder.

1, 2, 37, 74, 587, 1174, 21719

Step-4: Factors of 43458

List of positive integer factors of 43458 that divides 43438 without a remainder.

1, 2, 3, 6, 7243, 14486, 21729

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43438 and 43458. The biggest common factor number is the GCF number.
So the greatest common factor 43438 and 43458 is 2.

Also check out the Least Common Multiple of 43438 and 43458