What is the Greatest Common Factor of 87381 and 87388?

Greatest common factor (GCF) of 87381 and 87388 is 7.

GCF(87381,87388) = 7

We will now calculate the prime factors of 87381 and 87388, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87381 and 87388.

How to find the GCF of 87381 and 87388?

We will first find the prime factorization of 87381 and 87388. After we will calculate the factors of 87381 and 87388 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 87388

Prime factors of 87388 are 2, 7, 3121. Prime factorization of 87388 in exponential form is:

87388 = 2² × 7¹ × 3121¹

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 87388

List of positive integer factors of 87388 that divides 87381 without a remainder.

1, 2, 4, 7, 14, 28, 3121, 6242, 12484, 21847, 43694

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87381 and 87388. The biggest common factor number is the GCF number.
So the greatest common factor 87381 and 87388 is 7.

Also check out the Least Common Multiple of 87381 and 87388