What is the Greatest Common Factor of 16860 and 16880?

Greatest common factor (GCF) of 16860 and 16880 is 20.

GCF(16860,16880) = 20

We will now calculate the prime factors of 16860 and 16880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16860 and 16880.

How to find the GCF of 16860 and 16880?

We will first find the prime factorization of 16860 and 16880. After we will calculate the factors of 16860 and 16880 and find the biggest common factor number .

Step-1: Prime Factorization of 16860

Prime factors of 16860 are 2, 3, 5, 281. Prime factorization of 16860 in exponential form is:

16860 = 2² × 3¹ × 5¹ × 281¹

Step-2: Prime Factorization of 16880

Prime factors of 16880 are 2, 5, 211. Prime factorization of 16880 in exponential form is:

16880 = 2⁴ × 5¹ × 211¹

Step-3: Factors of 16860

List of positive integer factors of 16860 that divides 16860 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 2810, 3372, 4215, 5620, 8430

Step-4: Factors of 16880

List of positive integer factors of 16880 that divides 16860 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16860 and 16880. The biggest common factor number is the GCF number.
So the greatest common factor 16860 and 16880 is 20.

Also check out the Least Common Multiple of 16860 and 16880