What is the Greatest Common Factor of 33220 and 33240?

Greatest common factor (GCF) of 33220 and 33240 is 20.

GCF(33220,33240) = 20

We will now calculate the prime factors of 33220 and 33240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 33220 and 33240.

How to find the GCF of 33220 and 33240?

We will first find the prime factorization of 33220 and 33240. After we will calculate the factors of 33220 and 33240 and find the biggest common factor number .

Step-1: Prime Factorization of 33220

Prime factors of 33220 are 2, 5, 11, 151. Prime factorization of 33220 in exponential form is:

33220 = 2² × 5¹ × 11¹ × 151¹

Step-2: Prime Factorization of 33240

Prime factors of 33240 are 2, 3, 5, 277. Prime factorization of 33240 in exponential form is:

33240 = 2³ × 3¹ × 5¹ × 277¹

Step-3: Factors of 33220

List of positive integer factors of 33220 that divides 33220 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6644, 8305, 16610

Step-4: Factors of 33240

List of positive integer factors of 33240 that divides 33220 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 5540, 6648, 8310, 11080, 16620

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 33220 and 33240. The biggest common factor number is the GCF number.
So the greatest common factor 33220 and 33240 is 20.

Also check out the Least Common Multiple of 33220 and 33240