What is the Greatest Common Factor of 99381 and 99385?

Greatest common factor (GCF) of 99381 and 99385 is 1.

GCF(99381,99385) = 1

We will now calculate the prime factors of 99381 and 99385, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99381 and 99385.

How to find the GCF of 99381 and 99385?

We will first find the prime factorization of 99381 and 99385. After we will calculate the factors of 99381 and 99385 and find the biggest common factor number .

Step-1: Prime Factorization of 99381

Prime factors of 99381 are 3, 157, 211. Prime factorization of 99381 in exponential form is:

99381 = 3¹ × 157¹ × 211¹

Step-2: Prime Factorization of 99385

Prime factors of 99385 are 5, 11, 13, 139. Prime factorization of 99385 in exponential form is:

99385 = 5¹ × 11¹ × 13¹ × 139¹

Step-3: Factors of 99381

List of positive integer factors of 99381 that divides 99381 without a remainder.

1, 3, 157, 211, 471, 633, 33127

Step-4: Factors of 99385

List of positive integer factors of 99385 that divides 99381 without a remainder.

1, 5, 11, 13, 55, 65, 139, 143, 695, 715, 1529, 1807, 7645, 9035, 19877

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99381 and 99385. The biggest common factor number is the GCF number.
So the greatest common factor 99381 and 99385 is 1.

Also check out the Least Common Multiple of 99381 and 99385