What is the Greatest Common Factor of 91438 and 91442?

Greatest common factor (GCF) of 91438 and 91442 is 2.

GCF(91438,91442) = 2

We will now calculate the prime factors of 91438 and 91442, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91438 and 91442.

How to find the GCF of 91438 and 91442?

We will first find the prime factorization of 91438 and 91442. After we will calculate the factors of 91438 and 91442 and find the biggest common factor number .

Step-1: Prime Factorization of 91438

Prime factors of 91438 are 2, 131, 349. Prime factorization of 91438 in exponential form is:

91438 = 2¹ × 131¹ × 349¹

Step-2: Prime Factorization of 91442

Prime factors of 91442 are 2, 13, 3517. Prime factorization of 91442 in exponential form is:

91442 = 2¹ × 13¹ × 3517¹

Step-3: Factors of 91438

List of positive integer factors of 91438 that divides 91438 without a remainder.

1, 2, 131, 262, 349, 698, 45719

Step-4: Factors of 91442

List of positive integer factors of 91442 that divides 91438 without a remainder.

1, 2, 13, 26, 3517, 7034, 45721

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91438 and 91442. The biggest common factor number is the GCF number.
So the greatest common factor 91438 and 91442 is 2.

Also check out the Least Common Multiple of 91438 and 91442