GCF and LCM Calculator Logo

What is the Greatest Common Factor of 21607 and 21616?

Greatest common factor (GCF) of 21607 and 21616 is 1.

GCF(21607,21616) = 1

We will now calculate the prime factors of 21607 and 21616, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21607 and 21616.

GCF Calculator and
and

How to find the GCF of 21607 and 21616?

We will first find the prime factorization of 21607 and 21616. After we will calculate the factors of 21607 and 21616 and find the biggest common factor number .

Step-1: Prime Factorization of 21607

Prime factors of 21607 are 17, 31, 41. Prime factorization of 21607 in exponential form is:

21607 = 171 × 311 × 411

Step-2: Prime Factorization of 21616

Prime factors of 21616 are 2, 7, 193. Prime factorization of 21616 in exponential form is:

21616 = 24 × 71 × 1931

Step-3: Factors of 21607

List of positive integer factors of 21607 that divides 21607 without a remainder.

1, 17, 31, 41, 527, 697, 1271

Step-4: Factors of 21616

List of positive integer factors of 21616 that divides 21607 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 386, 772, 1351, 1544, 2702, 3088, 5404, 10808

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21607 and 21616. The biggest common factor number is the GCF number.
So the greatest common factor 21607 and 21616 is 1.

Also check out the Least Common Multiple of 21607 and 21616