What is the Greatest Common Factor of 87543 and 87563?

Greatest common factor (GCF) of 87543 and 87563 is 1.

GCF(87543,87563) = 1

We will now calculate the prime factors of 87543 and 87563, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87543 and 87563.

How to find the GCF of 87543 and 87563?

We will first find the prime factorization of 87543 and 87563. After we will calculate the factors of 87543 and 87563 and find the biggest common factor number .

Step-1: Prime Factorization of 87543

Prime factors of 87543 are 3, 71, 137. Prime factorization of 87543 in exponential form is:

87543 = 3² × 71¹ × 137¹

Step-2: Prime Factorization of 87563

Prime factors of 87563 are 7, 1787. Prime factorization of 87563 in exponential form is:

87563 = 7² × 1787¹

Step-3: Factors of 87543

List of positive integer factors of 87543 that divides 87543 without a remainder.

1, 3, 9, 71, 137, 213, 411, 639, 1233, 9727, 29181

Step-4: Factors of 87563

List of positive integer factors of 87563 that divides 87543 without a remainder.

1, 7, 49, 1787, 12509

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87543 and 87563. The biggest common factor number is the GCF number.
So the greatest common factor 87543 and 87563 is 1.

Also check out the Least Common Multiple of 87543 and 87563