What is the Greatest Common Factor of 87138 and 87143?

Greatest common factor (GCF) of 87138 and 87143 is 1.

GCF(87138,87143) = 1

We will now calculate the prime factors of 87138 and 87143, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87138 and 87143.

How to find the GCF of 87138 and 87143?

We will first find the prime factorization of 87138 and 87143. After we will calculate the factors of 87138 and 87143 and find the biggest common factor number .

Step-1: Prime Factorization of 87138

Prime factors of 87138 are 2, 3, 47, 103. Prime factorization of 87138 in exponential form is:

87138 = 2¹ × 3² × 47¹ × 103¹

Step-2: Prime Factorization of 87143

Prime factors of 87143 are 7, 59, 211. Prime factorization of 87143 in exponential form is:

87143 = 7¹ × 59¹ × 211¹

Step-3: Factors of 87138

List of positive integer factors of 87138 that divides 87138 without a remainder.

1, 2, 3, 6, 9, 18, 47, 94, 103, 141, 206, 282, 309, 423, 618, 846, 927, 1854, 4841, 9682, 14523, 29046, 43569

Step-4: Factors of 87143

List of positive integer factors of 87143 that divides 87138 without a remainder.

1, 7, 59, 211, 413, 1477, 12449

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87138 and 87143. The biggest common factor number is the GCF number.
So the greatest common factor 87138 and 87143 is 1.

Also check out the Least Common Multiple of 87138 and 87143