What is the Greatest Common Factor of 1795 and 1800?

Greatest common factor (GCF) of 1795 and 1800 is 5.

GCF(1795,1800) = 5

We will now calculate the prime factors of 1795 and 1800, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1795 and 1800.

How to find the GCF of 1795 and 1800?

We will first find the prime factorization of 1795 and 1800. After we will calculate the factors of 1795 and 1800 and find the biggest common factor number .

Step-1: Prime Factorization of 1795

Prime factors of 1795 are 5, 359. Prime factorization of 1795 in exponential form is:

1795 = 5¹ × 359¹

Step-2: Prime Factorization of 1800

Prime factors of 1800 are 2, 3, 5. Prime factorization of 1800 in exponential form is:

1800 = 2³ × 3² × 5²

Step-3: Factors of 1795

List of positive integer factors of 1795 that divides 1795 without a remainder.

1, 5, 359

Step-4: Factors of 1800

List of positive integer factors of 1800 that divides 1795 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1795 and 1800. The biggest common factor number is the GCF number.
So the greatest common factor 1795 and 1800 is 5.

Also check out the Least Common Multiple of 1795 and 1800