What is the Greatest Common Factor of 87381 and 87391?

Greatest common factor (GCF) of 87381 and 87391 is 1.

GCF(87381,87391) = 1

We will now calculate the prime factors of 87381 and 87391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87381 and 87391.

How to find the GCF of 87381 and 87391?

We will first find the prime factorization of 87381 and 87391. After we will calculate the factors of 87381 and 87391 and find the biggest common factor number .

Step-1: Prime Factorization of 87381

Prime factors of 87381 are 3, 7, 19, 73. Prime factorization of 87381 in exponential form is:

87381 = 3² × 7¹ × 19¹ × 73¹

Step-2: Prime Factorization of 87391

Prime factors of 87391 are 281, 311. Prime factorization of 87391 in exponential form is:

87391 = 281¹ × 311¹

Step-3: Factors of 87381

List of positive integer factors of 87381 that divides 87381 without a remainder.

1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 399, 511, 657, 1197, 1387, 1533, 4161, 4599, 9709, 12483, 29127

Step-4: Factors of 87391

List of positive integer factors of 87391 that divides 87381 without a remainder.

1, 281, 311

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87381 and 87391. The biggest common factor number is the GCF number.
So the greatest common factor 87381 and 87391 is 1.

Also check out the Least Common Multiple of 87381 and 87391