What is the Greatest Common Factor of 30989 and 31003?

Greatest common factor (GCF) of 30989 and 31003 is 7.

GCF(30989,31003) = 7

We will now calculate the prime factors of 30989 and 31003, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30989 and 31003.

How to find the GCF of 30989 and 31003?

We will first find the prime factorization of 30989 and 31003. After we will calculate the factors of 30989 and 31003 and find the biggest common factor number .

Step-1: Prime Factorization of 30989

Prime factors of 30989 are 7, 19, 233. Prime factorization of 30989 in exponential form is:

30989 = 7¹ × 19¹ × 233¹

Step-2: Prime Factorization of 31003

Prime factors of 31003 are 7, 43, 103. Prime factorization of 31003 in exponential form is:

31003 = 7¹ × 43¹ × 103¹

Step-3: Factors of 30989

List of positive integer factors of 30989 that divides 30989 without a remainder.

1, 7, 19, 133, 233, 1631, 4427

Step-4: Factors of 31003

List of positive integer factors of 31003 that divides 30989 without a remainder.

1, 7, 43, 103, 301, 721, 4429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30989 and 31003. The biggest common factor number is the GCF number.
So the greatest common factor 30989 and 31003 is 7.

Also check out the Least Common Multiple of 30989 and 31003