What is the Greatest Common Factor of 17765 and 17770?

Greatest common factor (GCF) of 17765 and 17770 is 5.

GCF(17765,17770) = 5

We will now calculate the prime factors of 17765 and 17770, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17765 and 17770.

How to find the GCF of 17765 and 17770?

We will first find the prime factorization of 17765 and 17770. After we will calculate the factors of 17765 and 17770 and find the biggest common factor number .

Step-1: Prime Factorization of 17765

Prime factors of 17765 are 5, 11, 17, 19. Prime factorization of 17765 in exponential form is:

17765 = 5¹ × 11¹ × 17¹ × 19¹

Step-2: Prime Factorization of 17770

Prime factors of 17770 are 2, 5, 1777. Prime factorization of 17770 in exponential form is:

17770 = 2¹ × 5¹ × 1777¹

Step-3: Factors of 17765

List of positive integer factors of 17765 that divides 17765 without a remainder.

1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1045, 1615, 3553

Step-4: Factors of 17770

List of positive integer factors of 17770 that divides 17765 without a remainder.

1, 2, 5, 10, 1777, 3554, 8885

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17765 and 17770. The biggest common factor number is the GCF number.
So the greatest common factor 17765 and 17770 is 5.

Also check out the Least Common Multiple of 17765 and 17770