What is the Greatest Common Factor of 21250 and 21254?

Greatest common factor (GCF) of 21250 and 21254 is 2.

GCF(21250,21254) = 2

We will now calculate the prime factors of 21250 and 21254, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21250 and 21254.

How to find the GCF of 21250 and 21254?

We will first find the prime factorization of 21250 and 21254. After we will calculate the factors of 21250 and 21254 and find the biggest common factor number .

Step-1: Prime Factorization of 21250

Prime factors of 21250 are 2, 5, 17. Prime factorization of 21250 in exponential form is:

21250 = 2¹ × 5⁴ × 17¹

Step-2: Prime Factorization of 21254

Prime factors of 21254 are 2, 10627. Prime factorization of 21254 in exponential form is:

21254 = 2¹ × 10627¹

Step-3: Factors of 21250

List of positive integer factors of 21250 that divides 21250 without a remainder.

1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 1250, 2125, 4250, 10625

Step-4: Factors of 21254

List of positive integer factors of 21254 that divides 21250 without a remainder.

1, 2, 10627

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21250 and 21254. The biggest common factor number is the GCF number.
So the greatest common factor 21250 and 21254 is 2.

Also check out the Least Common Multiple of 21250 and 21254