What is the Greatest Common Factor of 38540 and 38558?

Greatest common factor (GCF) of 38540 and 38558 is 2.

GCF(38540,38558) = 2

We will now calculate the prime factors of 38540 and 38558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38540 and 38558.

How to find the GCF of 38540 and 38558?

We will first find the prime factorization of 38540 and 38558. After we will calculate the factors of 38540 and 38558 and find the biggest common factor number .

Step-1: Prime Factorization of 38540

Prime factors of 38540 are 2, 5, 41, 47. Prime factorization of 38540 in exponential form is:

38540 = 2² × 5¹ × 41¹ × 47¹

Step-2: Prime Factorization of 38558

Prime factors of 38558 are 2, 13, 1483. Prime factorization of 38558 in exponential form is:

38558 = 2¹ × 13¹ × 1483¹

Step-3: Factors of 38540

List of positive integer factors of 38540 that divides 38540 without a remainder.

1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 19270

Step-4: Factors of 38558

List of positive integer factors of 38558 that divides 38540 without a remainder.

1, 2, 13, 26, 1483, 2966, 19279

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38540 and 38558. The biggest common factor number is the GCF number.
So the greatest common factor 38540 and 38558 is 2.

Also check out the Least Common Multiple of 38540 and 38558