What is the Greatest Common Factor of 38872 and 38890?

Greatest common factor (GCF) of 38872 and 38890 is 2.

GCF(38872,38890) = 2

We will now calculate the prime factors of 38872 and 38890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38872 and 38890.

How to find the GCF of 38872 and 38890?

We will first find the prime factorization of 38872 and 38890. After we will calculate the factors of 38872 and 38890 and find the biggest common factor number .

Step-1: Prime Factorization of 38872

Prime factors of 38872 are 2, 43, 113. Prime factorization of 38872 in exponential form is:

38872 = 2³ × 43¹ × 113¹

Step-2: Prime Factorization of 38890

Prime factors of 38890 are 2, 5, 3889. Prime factorization of 38890 in exponential form is:

38890 = 2¹ × 5¹ × 3889¹

Step-3: Factors of 38872

List of positive integer factors of 38872 that divides 38872 without a remainder.

1, 2, 4, 8, 43, 86, 113, 172, 226, 344, 452, 904, 4859, 9718, 19436

Step-4: Factors of 38890

List of positive integer factors of 38890 that divides 38872 without a remainder.

1, 2, 5, 10, 3889, 7778, 19445

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38872 and 38890. The biggest common factor number is the GCF number.
So the greatest common factor 38872 and 38890 is 2.

Also check out the Least Common Multiple of 38872 and 38890