What is the Greatest Common Factor of 49620 and 49640?

Greatest common factor (GCF) of 49620 and 49640 is 20.

GCF(49620,49640) = 20

We will now calculate the prime factors of 49620 and 49640, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49620 and 49640.

How to find the GCF of 49620 and 49640?

We will first find the prime factorization of 49620 and 49640. After we will calculate the factors of 49620 and 49640 and find the biggest common factor number .

Step-1: Prime Factorization of 49620

Prime factors of 49620 are 2, 3, 5, 827. Prime factorization of 49620 in exponential form is:

49620 = 2² × 3¹ × 5¹ × 827¹

Step-2: Prime Factorization of 49640

Prime factors of 49640 are 2, 5, 17, 73. Prime factorization of 49640 in exponential form is:

49640 = 2³ × 5¹ × 17¹ × 73¹

Step-3: Factors of 49620

List of positive integer factors of 49620 that divides 49620 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 827, 1654, 2481, 3308, 4135, 4962, 8270, 9924, 12405, 16540, 24810

Step-4: Factors of 49640

List of positive integer factors of 49640 that divides 49620 without a remainder.

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 584, 680, 730, 1241, 1460, 2482, 2920, 4964, 6205, 9928, 12410, 24820

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49620 and 49640. The biggest common factor number is the GCF number.
So the greatest common factor 49620 and 49640 is 20.

Also check out the Least Common Multiple of 49620 and 49640