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What is the Greatest Common Factor of 3208 and 3220?

Greatest common factor (GCF) of 3208 and 3220 is 4.

GCF(3208,3220) = 4

We will now calculate the prime factors of 3208 and 3220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3208 and 3220.

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How to find the GCF of 3208 and 3220?

We will first find the prime factorization of 3208 and 3220. After we will calculate the factors of 3208 and 3220 and find the biggest common factor number .

Step-1: Prime Factorization of 3208

Prime factors of 3208 are 2, 401. Prime factorization of 3208 in exponential form is:

3208 = 23 × 4011

Step-2: Prime Factorization of 3220

Prime factors of 3220 are 2, 5, 7, 23. Prime factorization of 3220 in exponential form is:

3220 = 22 × 51 × 71 × 231

Step-3: Factors of 3208

List of positive integer factors of 3208 that divides 3208 without a remainder.

1, 2, 4, 8, 401, 802, 1604

Step-4: Factors of 3220

List of positive integer factors of 3220 that divides 3208 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3208 and 3220. The biggest common factor number is the GCF number.
So the greatest common factor 3208 and 3220 is 4.

Also check out the Least Common Multiple of 3208 and 3220