What is the Greatest Common Factor of 3553 and 3557?

Greatest common factor (GCF) of 3553 and 3557 is 1.

GCF(3553,3557) = 1

We will now calculate the prime factors of 3553 and 3557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3553 and 3557.

How to find the GCF of 3553 and 3557?

We will first find the prime factorization of 3553 and 3557. After we will calculate the factors of 3553 and 3557 and find the biggest common factor number .

Step-1: Prime Factorization of 3553

Prime factors of 3553 are 11, 17, 19. Prime factorization of 3553 in exponential form is:

3553 = 11¹ × 17¹ × 19¹

Step-2: Prime Factorization of 3557

Prime factors of 3557 are 3557. Prime factorization of 3557 in exponential form is:

3557 = 3557¹

Step-3: Factors of 3553

List of positive integer factors of 3553 that divides 3553 without a remainder.

1, 11, 17, 19, 187, 209, 323

Step-4: Factors of 3557

List of positive integer factors of 3557 that divides 3553 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3553 and 3557. The biggest common factor number is the GCF number.
So the greatest common factor 3553 and 3557 is 1.

Also check out the Least Common Multiple of 3553 and 3557