What is the Greatest Common Factor of 79430 and 79438?

Greatest common factor (GCF) of 79430 and 79438 is 2.

GCF(79430,79438) = 2

We will now calculate the prime factors of 79430 and 79438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79430 and 79438.

How to find the GCF of 79430 and 79438?

We will first find the prime factorization of 79430 and 79438. After we will calculate the factors of 79430 and 79438 and find the biggest common factor number .

Step-1: Prime Factorization of 79430

Prime factors of 79430 are 2, 5, 13, 47. Prime factorization of 79430 in exponential form is:

79430 = 2¹ × 5¹ × 13² × 47¹

Step-2: Prime Factorization of 79438

Prime factors of 79438 are 2, 39719. Prime factorization of 79438 in exponential form is:

79438 = 2¹ × 39719¹

Step-3: Factors of 79430

List of positive integer factors of 79430 that divides 79430 without a remainder.

1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 169, 235, 338, 470, 611, 845, 1222, 1690, 3055, 6110, 7943, 15886, 39715

Step-4: Factors of 79438

List of positive integer factors of 79438 that divides 79430 without a remainder.

1, 2, 39719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79430 and 79438. The biggest common factor number is the GCF number.
So the greatest common factor 79430 and 79438 is 2.

Also check out the Least Common Multiple of 79430 and 79438