What is the Greatest Common Factor of 42045 and 42061?

Greatest common factor (GCF) of 42045 and 42061 is 1.

GCF(42045,42061) = 1

We will now calculate the prime factors of 42045 and 42061, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42045 and 42061.

How to find the GCF of 42045 and 42061?

We will first find the prime factorization of 42045 and 42061. After we will calculate the factors of 42045 and 42061 and find the biggest common factor number .

Step-1: Prime Factorization of 42045

Prime factors of 42045 are 3, 5, 2803. Prime factorization of 42045 in exponential form is:

42045 = 3¹ × 5¹ × 2803¹

Step-2: Prime Factorization of 42061

Prime factors of 42061 are 42061. Prime factorization of 42061 in exponential form is:

42061 = 42061¹

Step-3: Factors of 42045

List of positive integer factors of 42045 that divides 42045 without a remainder.

1, 3, 5, 15, 2803, 8409, 14015

Step-4: Factors of 42061

List of positive integer factors of 42061 that divides 42045 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42045 and 42061. The biggest common factor number is the GCF number.
So the greatest common factor 42045 and 42061 is 1.

Also check out the Least Common Multiple of 42045 and 42061