GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1607 and 1621?

Greatest common factor (GCF) of 1607 and 1621 is 1.

GCF(1607,1621) = 1

We will now calculate the prime factors of 1607 and 1621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1607 and 1621.

GCF Calculator and
and

How to find the GCF of 1607 and 1621?

We will first find the prime factorization of 1607 and 1621. After we will calculate the factors of 1607 and 1621 and find the biggest common factor number .

Step-1: Prime Factorization of 1607

Prime factors of 1607 are 1607. Prime factorization of 1607 in exponential form is:

1607 = 16071

Step-2: Prime Factorization of 1621

Prime factors of 1621 are 1621. Prime factorization of 1621 in exponential form is:

1621 = 16211

Step-3: Factors of 1607

List of positive integer factors of 1607 that divides 1607 without a remainder.

1

Step-4: Factors of 1621

List of positive integer factors of 1621 that divides 1607 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1607 and 1621. The biggest common factor number is the GCF number.
So the greatest common factor 1607 and 1621 is 1.

Also check out the Least Common Multiple of 1607 and 1621