What is the Greatest Common Factor of 74139 and 74156?

Greatest common factor (GCF) of 74139 and 74156 is 1.

GCF(74139,74156) = 1

We will now calculate the prime factors of 74139 and 74156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74139 and 74156.

How to find the GCF of 74139 and 74156?

We will first find the prime factorization of 74139 and 74156. After we will calculate the factors of 74139 and 74156 and find the biggest common factor number .

Step-1: Prime Factorization of 74139

Prime factors of 74139 are 3, 13, 1901. Prime factorization of 74139 in exponential form is:

74139 = 3¹ × 13¹ × 1901¹

Step-2: Prime Factorization of 74156

Prime factors of 74156 are 2, 18539. Prime factorization of 74156 in exponential form is:

74156 = 2² × 18539¹

Step-3: Factors of 74139

List of positive integer factors of 74139 that divides 74139 without a remainder.

1, 3, 13, 39, 1901, 5703, 24713

Step-4: Factors of 74156

List of positive integer factors of 74156 that divides 74139 without a remainder.

1, 2, 4, 18539, 37078

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74139 and 74156. The biggest common factor number is the GCF number.
So the greatest common factor 74139 and 74156 is 1.

Also check out the Least Common Multiple of 74139 and 74156