GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1502 and 1521?

Greatest common factor (GCF) of 1502 and 1521 is 1.

GCF(1502,1521) = 1

We will now calculate the prime factors of 1502 and 1521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1502 and 1521.

GCF Calculator and
and

How to find the GCF of 1502 and 1521?

We will first find the prime factorization of 1502 and 1521. After we will calculate the factors of 1502 and 1521 and find the biggest common factor number .

Step-1: Prime Factorization of 1502

Prime factors of 1502 are 2, 751. Prime factorization of 1502 in exponential form is:

1502 = 21 × 7511

Step-2: Prime Factorization of 1521

Prime factors of 1521 are 3, 13. Prime factorization of 1521 in exponential form is:

1521 = 32 × 132

Step-3: Factors of 1502

List of positive integer factors of 1502 that divides 1502 without a remainder.

1, 2, 751

Step-4: Factors of 1521

List of positive integer factors of 1521 that divides 1502 without a remainder.

1, 3, 9, 13, 39, 117, 169, 507

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1502 and 1521. The biggest common factor number is the GCF number.
So the greatest common factor 1502 and 1521 is 1.

Also check out the Least Common Multiple of 1502 and 1521