What is the Greatest Common Factor of 9880 and 9890?

Greatest common factor (GCF) of 9880 and 9890 is 10.

GCF(9880,9890) = 10

We will now calculate the prime factors of 9880 and 9890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9880 and 9890.

How to find the GCF of 9880 and 9890?

We will first find the prime factorization of 9880 and 9890. After we will calculate the factors of 9880 and 9890 and find the biggest common factor number .

Step-1: Prime Factorization of 9880

Prime factors of 9880 are 2, 5, 13, 19. Prime factorization of 9880 in exponential form is:

9880 = 2³ × 5¹ × 13¹ × 19¹

Step-2: Prime Factorization of 9890

Prime factors of 9890 are 2, 5, 23, 43. Prime factorization of 9890 in exponential form is:

9890 = 2¹ × 5¹ × 23¹ × 43¹

Step-3: Factors of 9880

List of positive integer factors of 9880 that divides 9880 without a remainder.

1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940

Step-4: Factors of 9890

List of positive integer factors of 9890 that divides 9880 without a remainder.

1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9880 and 9890. The biggest common factor number is the GCF number.
So the greatest common factor 9880 and 9890 is 10.

Also check out the Least Common Multiple of 9880 and 9890