GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1559 and 1578?

Greatest common factor (GCF) of 1559 and 1578 is 1.

GCF(1559,1578) = 1

We will now calculate the prime factors of 1559 and 1578, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1559 and 1578.

GCF Calculator and
and

How to find the GCF of 1559 and 1578?

We will first find the prime factorization of 1559 and 1578. After we will calculate the factors of 1559 and 1578 and find the biggest common factor number .

Step-1: Prime Factorization of 1559

Prime factors of 1559 are 1559. Prime factorization of 1559 in exponential form is:

1559 = 15591

Step-2: Prime Factorization of 1578

Prime factors of 1578 are 2, 3, 263. Prime factorization of 1578 in exponential form is:

1578 = 21 × 31 × 2631

Step-3: Factors of 1559

List of positive integer factors of 1559 that divides 1559 without a remainder.

1

Step-4: Factors of 1578

List of positive integer factors of 1578 that divides 1559 without a remainder.

1, 2, 3, 6, 263, 526, 789

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1559 and 1578. The biggest common factor number is the GCF number.
So the greatest common factor 1559 and 1578 is 1.

Also check out the Least Common Multiple of 1559 and 1578