What is the Greatest Common Factor of 13470 and 13490?

Greatest common factor (GCF) of 13470 and 13490 is 10.

GCF(13470,13490) = 10

We will now calculate the prime factors of 13470 and 13490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13470 and 13490.

How to find the GCF of 13470 and 13490?

We will first find the prime factorization of 13470 and 13490. After we will calculate the factors of 13470 and 13490 and find the biggest common factor number .

Step-1: Prime Factorization of 13470

Prime factors of 13470 are 2, 3, 5, 449. Prime factorization of 13470 in exponential form is:

13470 = 2¹ × 3¹ × 5¹ × 449¹

Step-2: Prime Factorization of 13490

Prime factors of 13490 are 2, 5, 19, 71. Prime factorization of 13490 in exponential form is:

13490 = 2¹ × 5¹ × 19¹ × 71¹

Step-3: Factors of 13470

List of positive integer factors of 13470 that divides 13470 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 2245, 2694, 4490, 6735

Step-4: Factors of 13490

List of positive integer factors of 13490 that divides 13470 without a remainder.

1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13470 and 13490. The biggest common factor number is the GCF number.
So the greatest common factor 13470 and 13490 is 10.

Also check out the Least Common Multiple of 13470 and 13490