What is the Greatest Common Factor of 1755 and 1765?

Greatest common factor (GCF) of 1755 and 1765 is 5.

GCF(1755,1765) = 5

We will now calculate the prime factors of 1755 and 1765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1755 and 1765.

How to find the GCF of 1755 and 1765?

We will first find the prime factorization of 1755 and 1765. After we will calculate the factors of 1755 and 1765 and find the biggest common factor number .

Step-1: Prime Factorization of 1755

Prime factors of 1755 are 3, 5, 13. Prime factorization of 1755 in exponential form is:

1755 = 3³ × 5¹ × 13¹

Step-2: Prime Factorization of 1765

Prime factors of 1765 are 5, 353. Prime factorization of 1765 in exponential form is:

1765 = 5¹ × 353¹

Step-3: Factors of 1755

List of positive integer factors of 1755 that divides 1755 without a remainder.

1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585

Step-4: Factors of 1765

List of positive integer factors of 1765 that divides 1755 without a remainder.

1, 5, 353

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1755 and 1765. The biggest common factor number is the GCF number.
So the greatest common factor 1755 and 1765 is 5.

Also check out the Least Common Multiple of 1755 and 1765