What is the Greatest Common Factor of 689 and 694?

Greatest common factor (GCF) of 689 and 694 is 1.

GCF(689,694) = 1

We will now calculate the prime factors of 689 and 694, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 689 and 694.

How to find the GCF of 689 and 694?

We will first find the prime factorization of 689 and 694. After we will calculate the factors of 689 and 694 and find the biggest common factor number .

Step-1: Prime Factorization of 689

Prime factors of 689 are 13, 53. Prime factorization of 689 in exponential form is:

689 = 13¹ × 53¹

Step-2: Prime Factorization of 694

Prime factors of 694 are 2, 347. Prime factorization of 694 in exponential form is:

694 = 2¹ × 347¹

Step-3: Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1, 13, 53

Step-4: Factors of 694

List of positive integer factors of 694 that divides 689 without a remainder.

1, 2, 347

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 689 and 694. The biggest common factor number is the GCF number.
So the greatest common factor 689 and 694 is 1.

Also check out the Least Common Multiple of 689 and 694