What is the Greatest Common Factor of 33480 and 33489?

Greatest common factor (GCF) of 33480 and 33489 is 9.

GCF(33480,33489) = 9

We will now calculate the prime factors of 33480 and 33489, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 33480 and 33489.

How to find the GCF of 33480 and 33489?

We will first find the prime factorization of 33480 and 33489. After we will calculate the factors of 33480 and 33489 and find the biggest common factor number .

Step-1: Prime Factorization of 33480

Prime factors of 33480 are 2, 3, 5, 31. Prime factorization of 33480 in exponential form is:

33480 = 2³ × 3³ × 5¹ × 31¹

Step-2: Prime Factorization of 33489

Prime factors of 33489 are 3, 61. Prime factorization of 33489 in exponential form is:

33489 = 3² × 61²

Step-3: Factors of 33480

List of positive integer factors of 33480 that divides 33480 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740

Step-4: Factors of 33489

List of positive integer factors of 33489 that divides 33480 without a remainder.

1, 3, 9, 61, 183, 549, 3721, 11163

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 33480 and 33489. The biggest common factor number is the GCF number.
So the greatest common factor 33480 and 33489 is 9.

Also check out the Least Common Multiple of 33480 and 33489