What is the Greatest Common Factor of 42455 and 42469?

Greatest common factor (GCF) of 42455 and 42469 is 7.

GCF(42455,42469) = 7

We will now calculate the prime factors of 42455 and 42469, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42455 and 42469.

How to find the GCF of 42455 and 42469?

We will first find the prime factorization of 42455 and 42469. After we will calculate the factors of 42455 and 42469 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 42469

Prime factors of 42469 are 7, 6067. Prime factorization of 42469 in exponential form is:

42469 = 7¹ × 6067¹

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 42469

List of positive integer factors of 42469 that divides 42455 without a remainder.

1, 7, 6067

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42455 and 42469. The biggest common factor number is the GCF number.
So the greatest common factor 42455 and 42469 is 7.

Also check out the Least Common Multiple of 42455 and 42469