What is the Greatest Common Factor of 99860 and 99870?

Greatest common factor (GCF) of 99860 and 99870 is 10.

GCF(99860,99870) = 10

We will now calculate the prime factors of 99860 and 99870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99860 and 99870.

How to find the GCF of 99860 and 99870?

We will first find the prime factorization of 99860 and 99870. After we will calculate the factors of 99860 and 99870 and find the biggest common factor number .

Step-1: Prime Factorization of 99860

Prime factors of 99860 are 2, 5, 4993. Prime factorization of 99860 in exponential form is:

99860 = 2² × 5¹ × 4993¹

Step-2: Prime Factorization of 99870

Prime factors of 99870 are 2, 3, 5, 3329. Prime factorization of 99870 in exponential form is:

99870 = 2¹ × 3¹ × 5¹ × 3329¹

Step-3: Factors of 99860

List of positive integer factors of 99860 that divides 99860 without a remainder.

1, 2, 4, 5, 10, 20, 4993, 9986, 19972, 24965, 49930

Step-4: Factors of 99870

List of positive integer factors of 99870 that divides 99860 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 3329, 6658, 9987, 16645, 19974, 33290, 49935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99860 and 99870. The biggest common factor number is the GCF number.
So the greatest common factor 99860 and 99870 is 10.

Also check out the Least Common Multiple of 99860 and 99870