What is the Greatest Common Factor of 3480 and 3485?

Greatest common factor (GCF) of 3480 and 3485 is 5.

GCF(3480,3485) = 5

We will now calculate the prime factors of 3480 and 3485, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3480 and 3485.

How to find the GCF of 3480 and 3485?

We will first find the prime factorization of 3480 and 3485. After we will calculate the factors of 3480 and 3485 and find the biggest common factor number .

Step-1: Prime Factorization of 3480

Prime factors of 3480 are 2, 3, 5, 29. Prime factorization of 3480 in exponential form is:

3480 = 2³ × 3¹ × 5¹ × 29¹

Step-2: Prime Factorization of 3485

Prime factors of 3485 are 5, 17, 41. Prime factorization of 3485 in exponential form is:

3485 = 5¹ × 17¹ × 41¹

Step-3: Factors of 3480

List of positive integer factors of 3480 that divides 3480 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740

Step-4: Factors of 3485

List of positive integer factors of 3485 that divides 3480 without a remainder.

1, 5, 17, 41, 85, 205, 697

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3480 and 3485. The biggest common factor number is the GCF number.
So the greatest common factor 3480 and 3485 is 5.

Also check out the Least Common Multiple of 3480 and 3485