What is the Greatest Common Factor of 13980 and 13988?

Greatest common factor (GCF) of 13980 and 13988 is 4.

GCF(13980,13988) = 4

We will now calculate the prime factors of 13980 and 13988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13980 and 13988.

How to find the GCF of 13980 and 13988?

We will first find the prime factorization of 13980 and 13988. After we will calculate the factors of 13980 and 13988 and find the biggest common factor number .

Step-1: Prime Factorization of 13980

Prime factors of 13980 are 2, 3, 5, 233. Prime factorization of 13980 in exponential form is:

13980 = 2² × 3¹ × 5¹ × 233¹

Step-2: Prime Factorization of 13988

Prime factors of 13988 are 2, 13, 269. Prime factorization of 13988 in exponential form is:

13988 = 2² × 13¹ × 269¹

Step-3: Factors of 13980

List of positive integer factors of 13980 that divides 13980 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 233, 466, 699, 932, 1165, 1398, 2330, 2796, 3495, 4660, 6990

Step-4: Factors of 13988

List of positive integer factors of 13988 that divides 13980 without a remainder.

1, 2, 4, 13, 26, 52, 269, 538, 1076, 3497, 6994

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13980 and 13988. The biggest common factor number is the GCF number.
So the greatest common factor 13980 and 13988 is 4.

Also check out the Least Common Multiple of 13980 and 13988