What is the Greatest Common Factor of 42455 and 42459?

Greatest common factor (GCF) of 42455 and 42459 is 1.

GCF(42455,42459) = 1

We will now calculate the prime factors of 42455 and 42459, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42455 and 42459.

How to find the GCF of 42455 and 42459?

We will first find the prime factorization of 42455 and 42459. After we will calculate the factors of 42455 and 42459 and find the biggest common factor number .

Step-1: Prime Factorization of 42455

Prime factors of 42455 are 5, 7, 1213. Prime factorization of 42455 in exponential form is:

42455 = 5¹ × 7¹ × 1213¹

Step-2: Prime Factorization of 42459

Prime factors of 42459 are 3, 14153. Prime factorization of 42459 in exponential form is:

42459 = 3¹ × 14153¹

Step-3: Factors of 42455

List of positive integer factors of 42455 that divides 42455 without a remainder.

1, 5, 7, 35, 1213, 6065, 8491

Step-4: Factors of 42459

List of positive integer factors of 42459 that divides 42455 without a remainder.

1, 3, 14153

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42455 and 42459. The biggest common factor number is the GCF number.
So the greatest common factor 42455 and 42459 is 1.

Also check out the Least Common Multiple of 42455 and 42459