What is the Greatest Common Factor of 67721 and 67725?

Greatest common factor (GCF) of 67721 and 67725 is 1.

GCF(67721,67725) = 1

We will now calculate the prime factors of 67721 and 67725, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67721 and 67725.

How to find the GCF of 67721 and 67725?

We will first find the prime factorization of 67721 and 67725. After we will calculate the factors of 67721 and 67725 and find the biggest common factor number .

Step-1: Prime Factorization of 67721

Prime factors of 67721 are 241, 281. Prime factorization of 67721 in exponential form is:

67721 = 241¹ × 281¹

Step-2: Prime Factorization of 67725

Prime factors of 67725 are 3, 5, 7, 43. Prime factorization of 67725 in exponential form is:

67725 = 3² × 5² × 7¹ × 43¹

Step-3: Factors of 67721

List of positive integer factors of 67721 that divides 67721 without a remainder.

1, 241, 281

Step-4: Factors of 67725

List of positive integer factors of 67725 that divides 67721 without a remainder.

1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 175, 215, 225, 301, 315, 387, 525, 645, 903, 1075, 1505, 1575, 1935, 2709, 3225, 4515, 7525, 9675, 13545, 22575

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67721 and 67725. The biggest common factor number is the GCF number.
So the greatest common factor 67721 and 67725 is 1.

Also check out the Least Common Multiple of 67721 and 67725