What is the Greatest Common Factor of 8990 and 8998?

Greatest common factor (GCF) of 8990 and 8998 is 2.

GCF(8990,8998) = 2

We will now calculate the prime factors of 8990 and 8998, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8990 and 8998.

How to find the GCF of 8990 and 8998?

We will first find the prime factorization of 8990 and 8998. After we will calculate the factors of 8990 and 8998 and find the biggest common factor number .

Step-1: Prime Factorization of 8990

Prime factors of 8990 are 2, 5, 29, 31. Prime factorization of 8990 in exponential form is:

8990 = 2¹ × 5¹ × 29¹ × 31¹

Step-2: Prime Factorization of 8998

Prime factors of 8998 are 2, 11, 409. Prime factorization of 8998 in exponential form is:

8998 = 2¹ × 11¹ × 409¹

Step-3: Factors of 8990

List of positive integer factors of 8990 that divides 8990 without a remainder.

1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495

Step-4: Factors of 8998

List of positive integer factors of 8998 that divides 8990 without a remainder.

1, 2, 11, 22, 409, 818, 4499

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8990 and 8998. The biggest common factor number is the GCF number.
So the greatest common factor 8990 and 8998 is 2.

Also check out the Least Common Multiple of 8990 and 8998