What is the Greatest Common Factor of 53405 and 53420?

Greatest common factor (GCF) of 53405 and 53420 is 5.

GCF(53405,53420) = 5

We will now calculate the prime factors of 53405 and 53420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 53405 and 53420.

How to find the GCF of 53405 and 53420?

We will first find the prime factorization of 53405 and 53420. After we will calculate the factors of 53405 and 53420 and find the biggest common factor number .

Step-1: Prime Factorization of 53405

Prime factors of 53405 are 5, 11, 971. Prime factorization of 53405 in exponential form is:

53405 = 5¹ × 11¹ × 971¹

Step-2: Prime Factorization of 53420

Prime factors of 53420 are 2, 5, 2671. Prime factorization of 53420 in exponential form is:

53420 = 2² × 5¹ × 2671¹

Step-3: Factors of 53405

List of positive integer factors of 53405 that divides 53405 without a remainder.

1, 5, 11, 55, 971, 4855, 10681

Step-4: Factors of 53420

List of positive integer factors of 53420 that divides 53405 without a remainder.

1, 2, 4, 5, 10, 20, 2671, 5342, 10684, 13355, 26710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 53405 and 53420. The biggest common factor number is the GCF number.
So the greatest common factor 53405 and 53420 is 5.

Also check out the Least Common Multiple of 53405 and 53420