What is the Greatest Common Factor of 19465 and 19480?

Greatest common factor (GCF) of 19465 and 19480 is 5.

GCF(19465,19480) = 5

We will now calculate the prime factors of 19465 and 19480, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19465 and 19480.

How to find the GCF of 19465 and 19480?

We will first find the prime factorization of 19465 and 19480. After we will calculate the factors of 19465 and 19480 and find the biggest common factor number .

Step-1: Prime Factorization of 19465

Prime factors of 19465 are 5, 17, 229. Prime factorization of 19465 in exponential form is:

19465 = 5¹ × 17¹ × 229¹

Step-2: Prime Factorization of 19480

Prime factors of 19480 are 2, 5, 487. Prime factorization of 19480 in exponential form is:

19480 = 2³ × 5¹ × 487¹

Step-3: Factors of 19465

List of positive integer factors of 19465 that divides 19465 without a remainder.

1, 5, 17, 85, 229, 1145, 3893

Step-4: Factors of 19480

List of positive integer factors of 19480 that divides 19465 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19465 and 19480. The biggest common factor number is the GCF number.
So the greatest common factor 19465 and 19480 is 5.

Also check out the Least Common Multiple of 19465 and 19480