What is the Greatest Common Factor of 49970 and 49989?

Greatest common factor (GCF) of 49970 and 49989 is 19.

GCF(49970,49989) = 19

We will now calculate the prime factors of 49970 and 49989, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49970 and 49989.

How to find the GCF of 49970 and 49989?

We will first find the prime factorization of 49970 and 49989. After we will calculate the factors of 49970 and 49989 and find the biggest common factor number .

Step-1: Prime Factorization of 49970

Prime factors of 49970 are 2, 5, 19, 263. Prime factorization of 49970 in exponential form is:

49970 = 2¹ × 5¹ × 19¹ × 263¹

Step-2: Prime Factorization of 49989

Prime factors of 49989 are 3, 19, 877. Prime factorization of 49989 in exponential form is:

49989 = 3¹ × 19¹ × 877¹

Step-3: Factors of 49970

List of positive integer factors of 49970 that divides 49970 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 263, 526, 1315, 2630, 4997, 9994, 24985

Step-4: Factors of 49989

List of positive integer factors of 49989 that divides 49970 without a remainder.

1, 3, 19, 57, 877, 2631, 16663

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49970 and 49989. The biggest common factor number is the GCF number.
So the greatest common factor 49970 and 49989 is 19.

Also check out the Least Common Multiple of 49970 and 49989