What is the Greatest Common Factor of 66890 and 66904?

Greatest common factor (GCF) of 66890 and 66904 is 2.

GCF(66890,66904) = 2

We will now calculate the prime factors of 66890 and 66904, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66890 and 66904.

How to find the GCF of 66890 and 66904?

We will first find the prime factorization of 66890 and 66904. After we will calculate the factors of 66890 and 66904 and find the biggest common factor number .

Step-1: Prime Factorization of 66890

Prime factors of 66890 are 2, 5, 6689. Prime factorization of 66890 in exponential form is:

66890 = 2¹ × 5¹ × 6689¹

Step-2: Prime Factorization of 66904

Prime factors of 66904 are 2, 8363. Prime factorization of 66904 in exponential form is:

66904 = 2³ × 8363¹

Step-3: Factors of 66890

List of positive integer factors of 66890 that divides 66890 without a remainder.

1, 2, 5, 10, 6689, 13378, 33445

Step-4: Factors of 66904

List of positive integer factors of 66904 that divides 66890 without a remainder.

1, 2, 4, 8, 8363, 16726, 33452

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66890 and 66904. The biggest common factor number is the GCF number.
So the greatest common factor 66890 and 66904 is 2.

Also check out the Least Common Multiple of 66890 and 66904