What is the Greatest Common Factor of 3440 and 3445?

Greatest common factor (GCF) of 3440 and 3445 is 5.

GCF(3440,3445) = 5

We will now calculate the prime factors of 3440 and 3445, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3440 and 3445.

How to find the GCF of 3440 and 3445?

We will first find the prime factorization of 3440 and 3445. After we will calculate the factors of 3440 and 3445 and find the biggest common factor number .

Step-1: Prime Factorization of 3440

Prime factors of 3440 are 2, 5, 43. Prime factorization of 3440 in exponential form is:

3440 = 2⁴ × 5¹ × 43¹

Step-2: Prime Factorization of 3445

Prime factors of 3445 are 5, 13, 53. Prime factorization of 3445 in exponential form is:

3445 = 5¹ × 13¹ × 53¹

Step-3: Factors of 3440

List of positive integer factors of 3440 that divides 3440 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720

Step-4: Factors of 3445

List of positive integer factors of 3445 that divides 3440 without a remainder.

1, 5, 13, 53, 65, 265, 689

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3440 and 3445. The biggest common factor number is the GCF number.
So the greatest common factor 3440 and 3445 is 5.

Also check out the Least Common Multiple of 3440 and 3445