What is the Greatest Common Factor of 32220 and 32240?

Greatest common factor (GCF) of 32220 and 32240 is 20.

GCF(32220,32240) = 20

We will now calculate the prime factors of 32220 and 32240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32220 and 32240.

How to find the GCF of 32220 and 32240?

We will first find the prime factorization of 32220 and 32240. After we will calculate the factors of 32220 and 32240 and find the biggest common factor number .

Step-1: Prime Factorization of 32220

Prime factors of 32220 are 2, 3, 5, 179. Prime factorization of 32220 in exponential form is:

32220 = 2² × 3² × 5¹ × 179¹

Step-2: Prime Factorization of 32240

Prime factors of 32240 are 2, 5, 13, 31. Prime factorization of 32240 in exponential form is:

32240 = 2⁴ × 5¹ × 13¹ × 31¹

Step-3: Factors of 32220

List of positive integer factors of 32220 that divides 32220 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2685, 3222, 3580, 5370, 6444, 8055, 10740, 16110

Step-4: Factors of 32240

List of positive integer factors of 32240 that divides 32220 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32220 and 32240. The biggest common factor number is the GCF number.
So the greatest common factor 32220 and 32240 is 20.

Also check out the Least Common Multiple of 32220 and 32240