What is the Greatest Common Factor of 39870 and 39881?

Greatest common factor (GCF) of 39870 and 39881 is 1.

GCF(39870,39881) = 1

We will now calculate the prime factors of 39870 and 39881, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39870 and 39881.

How to find the GCF of 39870 and 39881?

We will first find the prime factorization of 39870 and 39881. After we will calculate the factors of 39870 and 39881 and find the biggest common factor number .

Step-1: Prime Factorization of 39870

Prime factors of 39870 are 2, 3, 5, 443. Prime factorization of 39870 in exponential form is:

39870 = 2¹ × 3² × 5¹ × 443¹

Step-2: Prime Factorization of 39881

Prime factors of 39881 are 19, 2099. Prime factorization of 39881 in exponential form is:

39881 = 19¹ × 2099¹

Step-3: Factors of 39870

List of positive integer factors of 39870 that divides 39870 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 886, 1329, 2215, 2658, 3987, 4430, 6645, 7974, 13290, 19935

Step-4: Factors of 39881

List of positive integer factors of 39881 that divides 39870 without a remainder.

1, 19, 2099

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39870 and 39881. The biggest common factor number is the GCF number.
So the greatest common factor 39870 and 39881 is 1.

Also check out the Least Common Multiple of 39870 and 39881