What is the Greatest Common Factor of 39123 and 39142?

Greatest common factor (GCF) of 39123 and 39142 is 1.

GCF(39123,39142) = 1

We will now calculate the prime factors of 39123 and 39142, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39123 and 39142.

How to find the GCF of 39123 and 39142?

We will first find the prime factorization of 39123 and 39142. After we will calculate the factors of 39123 and 39142 and find the biggest common factor number .

Step-1: Prime Factorization of 39123

Prime factors of 39123 are 3, 7, 23. Prime factorization of 39123 in exponential form is:

39123 = 3⁵ × 7¹ × 23¹

Step-2: Prime Factorization of 39142

Prime factors of 39142 are 2, 19571. Prime factorization of 39142 in exponential form is:

39142 = 2¹ × 19571¹

Step-3: Factors of 39123

List of positive integer factors of 39123 that divides 39123 without a remainder.

1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 1449, 1701, 1863, 4347, 5589, 13041

Step-4: Factors of 39142

List of positive integer factors of 39142 that divides 39123 without a remainder.

1, 2, 19571

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39123 and 39142. The biggest common factor number is the GCF number.
So the greatest common factor 39123 and 39142 is 1.

Also check out the Least Common Multiple of 39123 and 39142