What is the Greatest Common Factor of 87421 and 87428?

Greatest common factor (GCF) of 87421 and 87428 is 1.

GCF(87421,87428) = 1

We will now calculate the prime factors of 87421 and 87428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87421 and 87428.

How to find the GCF of 87421 and 87428?

We will first find the prime factorization of 87421 and 87428. After we will calculate the factors of 87421 and 87428 and find the biggest common factor number .

Step-1: Prime Factorization of 87421

Prime factors of 87421 are 87421. Prime factorization of 87421 in exponential form is:

87421 = 87421¹

Step-2: Prime Factorization of 87428

Prime factors of 87428 are 2, 11, 1987. Prime factorization of 87428 in exponential form is:

87428 = 2² × 11¹ × 1987¹

Step-3: Factors of 87421

List of positive integer factors of 87421 that divides 87421 without a remainder.

Step-4: Factors of 87428

List of positive integer factors of 87428 that divides 87421 without a remainder.

1, 2, 4, 11, 22, 44, 1987, 3974, 7948, 21857, 43714

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87421 and 87428. The biggest common factor number is the GCF number.
So the greatest common factor 87421 and 87428 is 1.

Also check out the Least Common Multiple of 87421 and 87428