What is the Greatest Common Factor of 87213 and 87219?

Greatest common factor (GCF) of 87213 and 87219 is 3.

GCF(87213,87219) = 3

We will now calculate the prime factors of 87213 and 87219, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87213 and 87219.

How to find the GCF of 87213 and 87219?

We will first find the prime factorization of 87213 and 87219. After we will calculate the factors of 87213 and 87219 and find the biggest common factor number .

Step-1: Prime Factorization of 87213

Prime factors of 87213 are 3, 7, 4153. Prime factorization of 87213 in exponential form is:

87213 = 3¹ × 7¹ × 4153¹

Step-2: Prime Factorization of 87219

Prime factors of 87219 are 3, 11, 881. Prime factorization of 87219 in exponential form is:

87219 = 3² × 11¹ × 881¹

Step-3: Factors of 87213

List of positive integer factors of 87213 that divides 87213 without a remainder.

1, 3, 7, 21, 4153, 12459, 29071

Step-4: Factors of 87219

List of positive integer factors of 87219 that divides 87213 without a remainder.

1, 3, 9, 11, 33, 99, 881, 2643, 7929, 9691, 29073

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87213 and 87219. The biggest common factor number is the GCF number.
So the greatest common factor 87213 and 87219 is 3.

Also check out the Least Common Multiple of 87213 and 87219