What is the Greatest Common Factor of 87477 and 87490?

Greatest common factor (GCF) of 87477 and 87490 is 13.

GCF(87477,87490) = 13

We will now calculate the prime factors of 87477 and 87490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87477 and 87490.

How to find the GCF of 87477 and 87490?

We will first find the prime factorization of 87477 and 87490. After we will calculate the factors of 87477 and 87490 and find the biggest common factor number .

Step-1: Prime Factorization of 87477

Prime factors of 87477 are 3, 13, 2243. Prime factorization of 87477 in exponential form is:

87477 = 3¹ × 13¹ × 2243¹

Step-2: Prime Factorization of 87490

Prime factors of 87490 are 2, 5, 13, 673. Prime factorization of 87490 in exponential form is:

87490 = 2¹ × 5¹ × 13¹ × 673¹

Step-3: Factors of 87477

List of positive integer factors of 87477 that divides 87477 without a remainder.

1, 3, 13, 39, 2243, 6729, 29159

Step-4: Factors of 87490

List of positive integer factors of 87490 that divides 87477 without a remainder.

1, 2, 5, 10, 13, 26, 65, 130, 673, 1346, 3365, 6730, 8749, 17498, 43745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87477 and 87490. The biggest common factor number is the GCF number.
So the greatest common factor 87477 and 87490 is 13.

Also check out the Least Common Multiple of 87477 and 87490