What is the Greatest Common Factor of 16003 and 16020?

Greatest common factor (GCF) of 16003 and 16020 is 1.

GCF(16003,16020) = 1

We will now calculate the prime factors of 16003 and 16020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16003 and 16020.

How to find the GCF of 16003 and 16020?

We will first find the prime factorization of 16003 and 16020. After we will calculate the factors of 16003 and 16020 and find the biggest common factor number .

Step-1: Prime Factorization of 16003

Prime factors of 16003 are 13, 1231. Prime factorization of 16003 in exponential form is:

16003 = 13¹ × 1231¹

Step-2: Prime Factorization of 16020

Prime factors of 16020 are 2, 3, 5, 89. Prime factorization of 16020 in exponential form is:

16020 = 2² × 3² × 5¹ × 89¹

Step-3: Factors of 16003

List of positive integer factors of 16003 that divides 16003 without a remainder.

1, 13, 1231

Step-4: Factors of 16020

List of positive integer factors of 16020 that divides 16003 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16003 and 16020. The biggest common factor number is the GCF number.
So the greatest common factor 16003 and 16020 is 1.

Also check out the Least Common Multiple of 16003 and 16020