What is the Greatest Common Factor of 1203 and 1216?

Greatest common factor (GCF) of 1203 and 1216 is 1.

GCF(1203,1216) = 1

We will now calculate the prime factors of 1203 and 1216, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1203 and 1216.

How to find the GCF of 1203 and 1216?

We will first find the prime factorization of 1203 and 1216. After we will calculate the factors of 1203 and 1216 and find the biggest common factor number .

Step-1: Prime Factorization of 1203

Prime factors of 1203 are 3, 401. Prime factorization of 1203 in exponential form is:

1203 = 3¹ × 401¹

Step-2: Prime Factorization of 1216

Prime factors of 1216 are 2, 19. Prime factorization of 1216 in exponential form is:

1216 = 2⁶ × 19¹

Step-3: Factors of 1203

List of positive integer factors of 1203 that divides 1203 without a remainder.

1, 3, 401

Step-4: Factors of 1216

List of positive integer factors of 1216 that divides 1203 without a remainder.

1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1203 and 1216. The biggest common factor number is the GCF number.
So the greatest common factor 1203 and 1216 is 1.

Also check out the Least Common Multiple of 1203 and 1216