What is the Greatest Common Factor of 17770 and 17778?

Greatest common factor (GCF) of 17770 and 17778 is 2.

GCF(17770,17778) = 2

We will now calculate the prime factors of 17770 and 17778, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17770 and 17778.

How to find the GCF of 17770 and 17778?

We will first find the prime factorization of 17770 and 17778. After we will calculate the factors of 17770 and 17778 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 17778

Prime factors of 17778 are 2, 3, 2963. Prime factorization of 17778 in exponential form is:

17778 = 2¹ × 3¹ × 2963¹

Step-3: Factors of 17770

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

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

Step-4: Factors of 17778

List of positive integer factors of 17778 that divides 17770 without a remainder.

1, 2, 3, 6, 2963, 5926, 8889

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17770 and 17778. The biggest common factor number is the GCF number.
So the greatest common factor 17770 and 17778 is 2.

Also check out the Least Common Multiple of 17770 and 17778