GCF and LCM Calculator Logo

What is the Greatest Common Factor of 21634 and 21643?

Greatest common factor (GCF) of 21634 and 21643 is 1.

GCF(21634,21643) = 1

We will now calculate the prime factors of 21634 and 21643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21634 and 21643.

GCF Calculator and
and

How to find the GCF of 21634 and 21643?

We will first find the prime factorization of 21634 and 21643. After we will calculate the factors of 21634 and 21643 and find the biggest common factor number .

Step-1: Prime Factorization of 21634

Prime factors of 21634 are 2, 29, 373. Prime factorization of 21634 in exponential form is:

21634 = 21 × 291 × 3731

Step-2: Prime Factorization of 21643

Prime factors of 21643 are 23, 941. Prime factorization of 21643 in exponential form is:

21643 = 231 × 9411

Step-3: Factors of 21634

List of positive integer factors of 21634 that divides 21634 without a remainder.

1, 2, 29, 58, 373, 746, 10817

Step-4: Factors of 21643

List of positive integer factors of 21643 that divides 21634 without a remainder.

1, 23, 941

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21634 and 21643. The biggest common factor number is the GCF number.
So the greatest common factor 21634 and 21643 is 1.

Also check out the Least Common Multiple of 21634 and 21643