What is the Greatest Common Factor of 13959 and 13970?

Greatest common factor (GCF) of 13959 and 13970 is 11.

GCF(13959,13970) = 11

We will now calculate the prime factors of 13959 and 13970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13959 and 13970.

How to find the GCF of 13959 and 13970?

We will first find the prime factorization of 13959 and 13970. After we will calculate the factors of 13959 and 13970 and find the biggest common factor number .

Step-1: Prime Factorization of 13959

Prime factors of 13959 are 3, 11, 47. Prime factorization of 13959 in exponential form is:

13959 = 3³ × 11¹ × 47¹

Step-2: Prime Factorization of 13970

Prime factors of 13970 are 2, 5, 11, 127. Prime factorization of 13970 in exponential form is:

13970 = 2¹ × 5¹ × 11¹ × 127¹

Step-3: Factors of 13959

List of positive integer factors of 13959 that divides 13959 without a remainder.

1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1551, 4653

Step-4: Factors of 13970

List of positive integer factors of 13970 that divides 13959 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13959 and 13970. The biggest common factor number is the GCF number.
So the greatest common factor 13959 and 13970 is 11.

Also check out the Least Common Multiple of 13959 and 13970