What is the Greatest Common Factor of 49400 and 49420?

Greatest common factor (GCF) of 49400 and 49420 is 20.

GCF(49400,49420) = 20

We will now calculate the prime factors of 49400 and 49420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49400 and 49420.

How to find the GCF of 49400 and 49420?

We will first find the prime factorization of 49400 and 49420. After we will calculate the factors of 49400 and 49420 and find the biggest common factor number .

Step-1: Prime Factorization of 49400

Prime factors of 49400 are 2, 5, 13, 19. Prime factorization of 49400 in exponential form is:

49400 = 2³ × 5² × 13¹ × 19¹

Step-2: Prime Factorization of 49420

Prime factors of 49420 are 2, 5, 7, 353. Prime factorization of 49420 in exponential form is:

49420 = 2² × 5¹ × 7¹ × 353¹

Step-3: Factors of 49400

List of positive integer factors of 49400 that divides 49400 without a remainder.

1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 475, 494, 520, 650, 760, 950, 988, 1235, 1300, 1900, 1976, 2470, 2600, 3800, 4940, 6175, 9880, 12350, 24700

Step-4: Factors of 49420

List of positive integer factors of 49420 that divides 49400 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 7060, 9884, 12355, 24710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49400 and 49420. The biggest common factor number is the GCF number.
So the greatest common factor 49400 and 49420 is 20.

Also check out the Least Common Multiple of 49400 and 49420